Information: - Albania (; ), officially the Republic of Albania, is a sovereign state in Southeastern Europe. It has a population of 3.03 million as of 2016. Tirana is the nation's capital and largest city, followed by Durres and Vlore. Albania is located in the south-western part of the Balkan peninsula, bordered by Montenegro to the northwest, Kosovo to the northeast, the Republic of Macedonia to the east, and Greece to the south and southeast. The country has a coastline on the northern shore of the Mediterranean Sea, the Adriatic Sea to the west and the Ionian Sea to the southwest where the Albanian Riviera begins. Albania is less than from Italy, across the Strait of Otranto which connects the Adriatic Sea to the Ionian Sea. - The Kingdom of Serbia, often rendered as "Servia" in English sources during the time of its existence, was created when Prince Milan I of Serbia, ruler of the Principality of Serbia, was crowned king in 1882. - Slovenia, officially the Republic of Slovenia (Slovene: , abbr.: "RS"), is a nation state in southern Central Europe, located at the crossroads of main European cultural and trade routes. It is bordered by Italy to the west, Austria to the north, Hungary to the northeast, Croatia to the south and southeast, and the Adriatic Sea to the southwest. It covers and has a population of 2.06million. It is a parliamentary republic and a member of the United Nations, European Union, and NATO. The capital and largest city is Ljubljana. - Slovakia, officially the Slovak Republic, is a landlocked country in Central Europe. It is bordered by the Czech Republic and Austria to the west, Poland to the north, Ukraine to the east and Hungary to the south. Slovakia's territory spans about and is mostly mountainous. The population is over 5 million and comprises mostly ethnic Slovaks. The capital and largest city is Bratislava. The official language is Slovak, a member of the Slavic language family. - The Czech Republic, also known by the short name Czechia, is a nation state in Central Europe bordered by Germany to the west, Austria to the south, Slovakia to the east and Poland to the northeast. The Czech Republic covers an area of with mostly temperate continental climate and oceanic climate. It is a unitary parliamentary republic, has 10.5million inhabitants and the capital and largest city is Prague, with over 1.2million residents. The Czech Republic includes the historical territories of Bohemia, Moravia, and Czech Silesia. - Serbia, officially the Republic of Serbia, is a sovereign state situated at the crossroads of Central and Southeast Europe, covering the southern part of the Pannonian Plain and the central Balkans. Relative to its small territory, it is a diverse country distinguished by a "transitional" character, situated along cultural, geographic, climatic and other boundaries. Serbia is landlocked and borders Hungary to the north; Romania and Bulgaria to the east; Macedonia to the south; and Croatia, Bosnia-Herzegovina, and Montenegro to the southwest; it also claims a border with Albania through the disputed territory of Kosovo. Serbia numbers around 7 million residents, and its capital, Belgrade, ranks among the largest cities in Southeast Europe. - Italy, officially the Italian Republic, is a unitary parliamentary republic in Europe. Located in the heart of the Mediterranean Sea, Italy shares open land borders with France, Switzerland, Austria, Slovenia, San Marino and Vatican City. Italy covers an area of and has a largely temperate seasonal climate and Mediterranean climate; due to its shape, it is often referred to in Italy as "lo Stivale" (the Boot). With 61 million inhabitants, it is the fourth most populous EU member state. - The Principality of Serbia was a semi-independent state in the Balkans that came into existence as a result of the Serbian Revolution which lasted between 1804 and 1817. Its creation was negotiated first through an "unwritten" agreement between Milos Obrenovi, leader of the Second Serbian Uprising and Ottoman official Marashli Pasha. It was followed by the series of legal documents published by the Porte in 1828, 1829 and finally, 1830 the Hatt-i Sharif. Its "de facto" independence ensued in 1867, following the expulsion of all Ottoman troops from the country; Treaty of Berlin (1878) recognized its independence internationally. By 1882 the country was elevated to Kingdom of Serbia. - Vardar Macedonia is an area in the north of the geographical region of Macedonia, corresponding with the area of today's Republic of Macedonia. It covers an area of . It usually refers to the part of the Macedonia region attributed to the Kingdom of Serbia by the Treaty of Bucharest in 1913. It is named after the Vardar, the major river in the area. - Austrians are a Germanic people and nation, consisting of the population of the Republic of Austria, who share a common Austrian culture and Austrian descent and history. The English term "Austrians" was applied to the population of Habsburg Austria from the 17th or 18th century. Subsequently, during the 19th century, it referred to the citizens of the Empire of Austria (18041867), and from 1867 until 1918 to the citizens of Cisleithania. In the closest sense, the term "Austria" originally referred to the historical March of Austria, corresponding roughly to the Vienna Basin in what is today Lower Austria. - Germany, officially the Federal Republic of Germany, is a federal parliamentary republic in central-western Europe. It includes 16 constituent states, covers an area of , and has a largely temperate seasonal climate. With about 82 million inhabitants, Germany is the most populous member state of the European Union. After the United States, it is the second most popular immigration destination in the world. Germany's capital and largest metropolis is Berlin. Other major cities include Hamburg, Munich, Cologne, Frankfurt, Stuttgart and Dusseldorf. - The Vardar or Axios is the longest and major river in the Republic of Macedonia and also a major river of Greece. It is long, and drains an area of around . The maximum depth of the river is . - Argentina, officially the Argentine Republic, is a federal republic in the southern half of South America. Sharing the bulk of the Southern Cone with its neighbor Chile to the west, the country is also bordered by Bolivia and Paraguay to the north, Brazil to the northeast, Uruguay and the South Atlantic Ocean to the east, and the Drake Passage to the south. With a mainland area of , Argentina is the eighth-largest country in the world, the second largest in Latin America, and the largest Spanish-speaking one. The country is subdivided into twenty-three provinces (singular "provincia") and one autonomous city ("ciudad autonoma"), Buenos Aires, which is the federal capital of the nation as decided by Congress. The provinces and the capital have their own constitutions, but exist under a federal system. - Croats are a nation and South Slavic ethnic group at the crossroads of Central Europe, Southeast Europe, and the Mediterranean Sea. Croats mainly live in Croatia and Bosnia and Herzegovina, but are an officially recognized minority in Austria, Czech Republic, Hungary, Italy, Montenegro, Romania, Serbia, and Slovakia. Responding to political, social and economic pressure, many Croats have migrated throughout Europe (especially Germany, Austria, Switzerland, France and Italy) and the Americas (particularly the United States, Canada, Argentina, and Chile), establishing a diaspora. - Hungarians, also known as Magyars, are a nation and ethnic group who speak Hungarian and are primarily associated with Hungary. There are around 13.114.7 million Hungarians, of whom 8.59.8 million live in today's Hungary (as of 2011). About 2.2 million Hungarians live in areas that were part of the Kingdom of Hungary before the 19181920 dissolution of the Austro-Hungarian Monarchy and the Treaty of Trianon, and are now parts of Hungary's seven neighbouring countries, especially Romania, Austria, Slovakia, Serbia and Ukraine. Significant groups of people with Hungarian ancestry live in various other parts of the world, most of them in the United States, Canada, Germany, France, the United Kingdom, Brazil, Australia, and Argentina. Hungarians can be classified into several subgroups according to local linguistic and cultural characteristics; subgroups with distinct identities include the Szekelys, the Csangos, the Paloc, and the Jasz people. - The Great National Assembly of the Serb People in Montenegro, known as the Podgorica Assembly ( /Podgorika skupstina), was an assembly of the representative body of the Montenegrin people (the Kingdom of Montenegro) in November 1918, after World War I, that was to decide whether Montenegro was to unite with the Kingdom of Serbia. It was organized by a Serbian government committee. The two sides were known as the "Greens" and the "Whites", in favour of a confederation (independence) and unification (annexation), respectively. The assembly concluded the decision to merge Montenegro with Serbia. The creation of Yugoslavia followed. - Italians are a nation and ethnic group native to Italy who share a common culture, ancestry and speak the Italian language as a native tongue. Legally, Italians are citizens of the Italian Republic, regardless of ancestry or country of residence (though the principle of jus sanguinis is used extensively and arguably more favourably in the Italian nationality law), and are distinguished from people of Italian descent and from ethnic Italians living in territories adjacent to the Italian Peninsula. - Kosovo is a disputed territory and partially recognised state in Southeast Europe that declared independence from Serbia in February 2008 as the Republic of Kosovo. Kosovo is landlocked in the central Balkan Peninsula. Its capital and largest city is Pristina. It is bordered by the Republic of Macedonia and Albania to the south, Montenegro to the west, and the uncontested territory of Serbia to the north and east. While Serbia recognises administration of the territory by Kosovo's elected government, it still continues to claim it as its own Autonomous Province of Kosovo and Metohija. - A constitutional monarchy (also known as a parliamentary monarchy) is a form of monarchy in which the sovereign exercises their authorities in accordance with a written or unwritten constitution. Constitutional monarchy differs from absolute monarchy (in which a monarch holds absolute power), in that constitutional monarchs are bound to exercise their powers and authorities within the limits prescribed within an established legal framework. Constitutional monarchies range from countries such as Morocco, where the constitution grants substantial discretionary powers to the sovereign, to countries such as Sweden or Denmark where the monarch retains very few formal authorities. - Southeast Europe or Southeastern Europe is a geographical region of Europe, consisting primarily of the Balkan peninsula. Sovereign states that are, at least partially, included in the region are, in alphabetical order, Albania, Bosnia and Herzegovina, Bulgaria, Croatia, Greece, Kosovo, Macedonia, Moldova, Montenegro, Romania, Serbia, Slovenia and Turkey. - Turkey, officially the Republic of Turkey (Turkish: ), is a transcontinental country in Eurasia, mainly in Anatolia in Western Asia, with a smaller portion on the Balkan peninsula in Southeast Europe. Turkey is a democratic, secular, unitary, parliamentary republic with a diverse cultural heritage. Turkey is bordered by eight countries: Greece to the west; Bulgaria to the northwest; Georgia to the northeast; Armenia, the Azerbaijani exclave of Nakhchivan and Iran to the east; and Iraq and Syria to the south. The Aegean Sea is to the west, the Black Sea to the north, and the Mediterranean Sea to the south. The Bosphorus, the Sea of Marmara, and the Dardanelles, which together form the Turkish Straits, divide Thrace and Anatolia; they also separate Europe and Asia. Turkey's location has given it geopolitical and strategic importance throughout history. - Australia, officially the Commonwealth of Australia, is a country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. It is the world's sixth-largest country by total area. The neighbouring countries are Papua New Guinea, Indonesia and East Timor to the north; the Solomon Islands and Vanuatu to the north-east; and New Zealand to the south-east. Australia's capital is Canberra, and its largest urban area is Sydney. - Pannonia was an ancient province of the Roman Empire bounded north and east by the Danube, coterminous westward with Noricum and upper Italy, and southward with Dalmatia and upper Moesia. Pannonia was located over the territory of the present-day western Hungary, eastern Austria, northern Croatia, north-western Serbia, northern Slovenia, western Slovakia and northern Bosnia and Herzegovina. - France, officially the French Republic, is a country with territory in western Europe and several overseas regions and territories. The European, or metropolitan, area of France extends from the Mediterranean Sea to the English Channel and the North Sea, and from the Rhine to the Atlantic Ocean. Overseas France include French Guiana on the South American continent and several island territories in the Atlantic, Pacific and Indian oceans. France spans and had a total population of almost 67 million people as of January 2017. It is a unitary semi-presidential republic with the capital in Paris, the country's largest city and main cultural and commercial centre. Other major urban centres include Marseille, Lyon, Lille, Nice, Toulouse and Bordeaux. - Central Europe lies between Eastern Europe and Western Europe. The concept of Central Europe is based on a common historical, social and cultural identity. Central Europe is going through a phase of "strategic awakening", with initiatives such as the CEI, Centrope or V4. While the region's economy shows high disparities with regard to income, all Central European countries are listed by the Human Development Index as very highly developed. - Montenegro (or or ; Montenegrin: "Crna Gora" / , meaning "Black Mountain") is a sovereign state in Southeastern Europe. It has a coast on the Adriatic Sea to the south-west and is bordered by Croatia to the west, Bosnia and Herzegovina to the northwest, Serbia to the northeast, Kosovo to the east, and Albania to the south-east. Its capital and largest city is Podgorica, while Cetinje is designated as the Old Royal Capital ("prijestonica"). - Moldova (or sometimes ), or Moldavia, officially the Republic of Moldova, is a landlocked country in Eastern Europe, bordered by Romania to the west and Ukraine to the north, east, and south. The capital city is Chiinu. - Slovene Lands or Slovenian Lands (or in short ) is the historical denomination for the territories in Central and Southern Europe where people primarily spoke Slovene. The Slovene Lands were part of the Illyrian provinces, the Austrian Empire and Austria-Hungary (in Cisleithania). They encompassed Carniola, southern part of Carinthia, southern part of Styria, Istria, Gorizia and Gradisca, Trieste, and Prekmurje. Their territory more or less corresponds to modern Slovenia and the adjacent territories in Italy, Austria, Hungary, and Croatia, where autochthonous Slovene minorities live. In the areas where present-day Slovenia borders to neighboring countries, they were never homogeneously ethnically Slovene. - Podgorica (; Montenegrin Cyrillic: lit. "[area] under the small hill") is the capital and largest city of Montenegro. The city was also called Titograd (Montenegrin Cyrillic: ) between 1946 and 1992 when Montenegro was part of the Socialist Federal Republic of Yugoslavia (SFRY). - Greece (' ), officially the Hellenic Republic (Greek: ' ), historically also known as Hellas ("" ), is a country in southeastern Europe. Greece's population is approximately 10.955 million as of 2015. Athens is the nation's capital and largest city, followed by Thessaloniki. - Chile, officially the Republic of Chile, is a South American country occupying a long, narrow strip of land between the Andes to the east and the Pacific Ocean to the west. It borders Peru to the north, Bolivia to the northeast, Argentina to the east, and the Drake Passage in the far south. Chilean territory includes the Pacific islands of Juan Fernandez, Salas y Gomez, Desventuradas, and Easter Island in Oceania. Chile also claims about of Antarctica, although all claims are suspended under the Antarctic Treaty. - The State of Slovenes, Croats and Serbs was a short-lived entity formed at the end of World War I by Slovenes, Croats and Serbs residing in what were the southernmost parts of the Austro-Hungarian Empire. Although internationally unrecognized, this was the first incarnation of a Yugoslav state and had been founded on the Pan-Slavic ideology behind the incentive. A month after it was proclaimed, the State joined with the Kingdom of Serbia to form the Kingdom of Serbs, Croats and Slovenes. - Centrope is an Interreg IIIA project to establish a multinational region in the Central Europe encompassing four European countries: Slovakia, Austria, Hungary and Czech Republic. - Hungary is a unitary parliamentary republic in Central Europe. It covers an area of , situated in the Carpathian Basin and bordered by Slovakia to the north, Romania to the east, Serbia to the south, Croatia to the southwest, Slovenia to the west, Austria to the northwest, and Ukraine to the northeast. With about 10 million inhabitants, Hungary is a medium-sized member state of the European Union. The official language is Hungarian, which is the most widely spoken Uralic language in the world. Hungary's capital and largest metropolis is Budapest, a significant economic hub, classified as an Alpha- global city. Major urban areas include Debrecen, Szeged, Miskolc, Pecs and Gyr. - Macedonia ( tr. "Makedonija"), officially the Republic of Macedonia (Macedonian: , tr. "Republika Makedonija"), is a country in the Balkan peninsula in Southeast Europe. It is one of the successor states of the former Yugoslavia, from which it declared independence in 1991. It became a member of the United Nations in 1993, but, as a result of an ongoing dispute with Greece over the use of the name "Macedonia", was admitted under the provisional description the former Yugoslav Republic of Macedonia (sometimes unofficially abbreviated as FYROM and FYR Macedonia), a term that is also used by international organizations such as the European Union, the Council of Europe and NATO. - Kosovo and Metohija, officially the Autonomous Province of Kosovo and Metohija, known as short Kosovo or simply Kosmet, refers to the region of Kosovo as defined in the Constitution of Serbia. The territory of the province is disputed between Serbia and the self-proclaimed Republic of Kosovo, who has "de-facto" control. - The Kingdom of Yugoslavia ( Kraljevina Jugoslavija , Serbian Cyrillic : , '' Kingdom of South Slavia ) was a state in Southeast Europe and Central Europe , that existed during the interwar period ( 1918 -- 1939 ) and first half of World War II ( 1939 -- 1943 ) . It was formed in 1918 by the merger of the provisional State of Slovenes , Croats and Serbs ( itself formed from territories of the former Austro - Hungarian Empire ) with the formerly independent Kingdom of Serbia . The Kingdom of Montenegro had united with Serbia five days previously , while the regions of Kosovo , Vojvodina and Vardar Macedonia were parts of Serbia prior to the unification . For its first eleven years of existence , the Kingdom was officially called the Kingdom of Serbs , Croats and Slovenes , but the term '' Yugoslavia '' was its colloquial name from its origins . The official name of the state was changed to '' Kingdom of Yugoslavia '' by King Alexander I on 3 October 1929 . The state was ruled by the Serbian dynasty of Karaorevi , which previously ruled Kingdom of Serbia under Peter I from 1903 ( after the May Overthrow ) onwards . Peter I became the first king of Yugoslavia until his death in 1921 . He was succeeded by his son Alexander I , who had been regent for his father . He was known as '' Alexander the Unifier '' and he renamed the kingdom '' Yugoslavia '' in 1929 . He was assassinated in Marseille by Vlado Chernozemski , a member of Internal Macedonian Revolutionary Organization ( IMRO ) , during his visit to France in 1934 . The crown passed to his then - still under - aged son Peter . His cousin Paul ruled as Prince regent until 1941 , when Peter II would come of age . The royal family flew to London the same year , prior to the country being invaded by the Axis powers . In April 1941 , the country was occupied and partitioned by the Axis powers . A royal government - in - exile , recognized by the United Kingdom and , later , by all the Allied powers , was established in London . In 1944 , after pressure from the... - Croatia, officially the Republic of Croatia, is a sovereign state between Central Europe, Southeast Europe, and the Mediterranean. Its capital city is Zagreb, which forms one of the country's primary subdivisions, along with its twenty counties. Croatia covers and has diverse, mostly continental and Mediterranean climates. Croatia's Adriatic Sea coast contains more than a thousand islands. The country's population is 4.28million, most of whom are Croats, with the most common religious denomination being Roman Catholicism. - The Serbs are a South Slavic ethnic group that formed in the Balkans. The majority of Serbs inhabit the nation state of Serbia (with a minority in disputed Kosovo), as well as Bosnia and Herzegovina and Montenegro. They form significant minorities in Croatia, Macedonia and Slovenia. There is a large Serb diaspora in Western Europe, and outside Europe there are significant communities in North America and Australia. - Switzerland, officially the Swiss Confederation, is a federal republic in Europe. It consists of 26cantons, and the city of Bern is the seat of the federal authorities. The country is situated in Western-Central Europe, and is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east. Switzerland is a landlocked country geographically divided between the Alps, the Swiss Plateau and the Jura, spanning an area of . While the Alps occupy the greater part of the territory, the Swiss population of approximately eight million people is concentrated mostly on the plateau, where the largest cities are to be found: among them are the two global cities and economic centres Zurich and Geneva. - The Kingdom of Montenegro (Serbian: a a / "Kraljevina Crna Gora"), was a monarchy in southeastern Europe, present day Montenegro, during the tumultuous years on the Balkan Peninsula leading up to and during World War I. Legally it was a constitutional monarchy, but absolutist in practice. On 28 November 1918, following the end of World War I, with its government still in exile, the unconstitutional Podgorica Assembly proclaimed union with the Kingdom of Serbia, and was merged into the Kingdom of Serbs, Croats and Slovenes three days later, on 1 December 1918. - Bulgaria (tr. '), officially the Republic of Bulgaria (tr. '), is a country in southeastern Europe. It is bordered by Romania to the north, Serbia and Macedonia to the west, Greece and Turkey to the south, and the Black Sea to the east. With a territory of , Bulgaria is Europe's 16th-largest country. - The Slovenes, or Slovenians, are a South Slavic ethnic group native to Slovenia and the historical Slovene lands, surrounded by fellow South Slavic Croats to the south and southeast, Austrians to the north, Italians to the west and Hungarians to the northeast. They speak the Slovene, a South Slavic language with significant similarities to West Slavic languages. The majority of ethnic Slovenes live in Slovenia, and they are a recognized minority in Austria, Hungary, Croatia, and Italy, where they are indigenous. Expatriates live mainly in other European countries, and in Argentina, Australia, Canada and the United States. What is the relationship between 'kingdom of yugoslavia' and 'constitutional monarchy'?
A:
basic form of government