Question: What is the meaning of the name of the province of which Shiraz is the capitol?

full_context: Document 1: Shiraz: Shiraz ( (listen); Persian: شیراز‎, Šīrāz, [ʃiːˈrɒːz] (listen)) is the fifth-most-populous city of Iran and the capital of Fars Province (Old Persian as Pars). At the 2016 census, the population of the city was 1,869,001 and its built-up area with "Shahr-e Jadid-e Sadra" (Sadra New Town) was home to 1,565,572 inhabitants. Shiraz is located in the southwest of Iran on the "Rudkhaneye Khoshk" (The Dry River) seasonal river. It has a moderate climate and has been a regional trade center for over a thousand years. Shiraz is one of the oldest cities of ancient Persia.
Document 2: History of Iran: The Persian Empire (Persian: شاهنشاهی ایران ‎, translit. Šâhanšâhiye Irân, lit. 'Imperial Iran') refers to any of a series of imperial dynasties that were centred in Persia / Iran from the 6th - century - BC Achaemenid Empire era to the 20th century AD in the Qajar dynasty era.
Document 3: Iran: Iran is home to one of the world's oldest civilizations, beginning with the formation of the Proto-Elamite and Elamite kingdoms in 3200–2800 BC. The Iranian Medes unified the area into the first of many empires in 625 BC, after which it became the dominant cultural and political power in the region. Iran reached the pinnacle of its power during the Achaemenid Empire founded by Cyrus the Great in 550 BC, which at its greatest extent comprised major portions of the ancient world, stretching from parts of the Balkans (Thrace-Macedonia, Bulgaria-Paeonia) and Eastern Europe proper in the west, to the Indus Valley in the east, making it the largest empire the world had yet seen. The empire collapsed in 330 BC following the conquests of Alexander the Great. The Parthian Empire emerged from the ashes and was succeeded by the Sassanid Dynasty in 224 AD, under which Iran again became one of the leading powers in the world, along with the Roman-Byzantine Empire, for a period of more than four centuries.
Document 4: Islamic Azad University, Shahr-e-Rey Branch: The Islamic Azad University, Shahr-e-Rey Branch is situated in southern Tehran Province in Iran. It initially began working in Shahr Rey, the oldest part of Tehran.
Document 5: Firuzabad County: Firuzabad County () is a county in Fars Province in Iran. The capital of the county is Firuzabad. At the 2006 census, the county's population was 111,973, in 24,894 families. The county is subdivided into two districts: the Central District and Meymand District. The county has two cities: Firuzabad and Meymand.
Document 6: Iran: Tehran is the country's capital and largest city, as well as its leading cultural and economic center. Iran is a major regional and middle power, exerting considerable influence in international energy security and the world economy through its large reserves of fossil fuels, which include the largest natural gas supply in the world and the fourth-largest proven oil reserves. Iran's rich cultural legacy is reflected in part by its 19 UNESCO World Heritage Sites, the fourth-largest number in Asia and 12th-largest in the world.
Document 7: Shiraz: Shiraz has 71 bus lines with 50,000 buses. Iran's third Bus Rapid Transit opened in Shiraz in 2009 with two lines, and a further two planned to open in 2010. Service is free on 5 May, the day of the city.
Document 8: Iran: Iran (/aɪˈræn/ or i/ɪˈrɑːn/; Persian: Irān – ایران‎‎ [ʔiːˈɾɒːn] ( listen)), also known as Persia (/ˈpɜːrʒə/ or /ˈpɜːrʃə/), officially the Islamic Republic of Iran (جمهوری اسلامی ایران – Jomhuri ye Eslāmi ye Irān [d͡ʒomhuːˌɾije eslɒːˌmije ʔiːˈɾɒːn]), is a sovereign state in Western Asia. It is bordered to the northwest by Armenia, the de facto Nagorno-Karabakh Republic, and Azerbaijan; to the north by Kazakhstan and Russia across the Caspian Sea; to the northeast by Turkmenistan; to the east by Afghanistan and Pakistan; to the south by the Persian Gulf and the Gulf of Oman; and to the west by Turkey and Iraq. Comprising a land area of 1,648,195 km2 (636,372 sq mi), it is the second-largest country in the Middle East and the 18th-largest in the world. With 78.4 million inhabitants, Iran is the world's 17th-most-populous country. It is the only country that has both a Caspian Sea and an Indian Ocean coastline. Iran has long been of geostrategic importance because of its central location in Eurasia and Western Asia, and its proximity to the Strait of Hormuz.
Document 9: Shiraz: Shiraz is the economic center of southern Iran. The second half of the 19th century witnessed certain economic developments that greatly changed the economy of Shiraz. The opening of the Suez Canal in 1869 allowed the extensive import into southern Iran of inexpensive European factory-made goods, either directly from Europe or via India. Farmers in unprecedented numbers began planting cash crops such as opium poppy, tobacco, and cotton. Many of these export crops passed through Shiraz on their way to the Persian Gulf. Iranian long-distance merchants from Fars developed marketing networks for these commodities, establishing trading houses in Bombay, Calcutta, Port Said, Istanbul and even Hong Kong.Shiraz's economic base is in its provincial products, which include grapes, citrus fruits, cotton and rice. Industries such as cement production, sugar, fertilizers, textile products, wood products, metalwork and rugs dominate. Shirāz also has a major oil refinery and is also a major center for Iran's electronic industries. 53% of Iran's electronic investment has been centered in Shiraz.
Document 10: Sivand Dam: Sivand Dam is a dam built in 2007 in Fars Province, Iran. Named after the nearby town of Sivand located northwest of Shiraz, it was the center of worldwide concern because of the flooding it would cause in historical and archaeologically rich areas of Ancient Persia and possible harm it may cause to the nearby UNESCO World Heritage Sites of Persepolis and Pasargadae.
Document 11: Iran: It is estimated that in 480 BC, 50 million people lived in the Achaemenid Empire. The empire at its peak ruled over 44% of the world's population, the highest such figure for any empire in history. In Greek history, the Achaemenid Empire is considered as the antagonist of the Greek city states, for the emancipation of slaves including the Jewish exiles in Babylon, building infrastructures such as road and postal systems, and the use of an official language, the Imperial Aramaic, throughout its territories. The empire had a centralized, bureaucratic administration under the emperor, a large professional army, and civil services, inspiring similar developments in later empires. Furthermore, one of the Seven Wonders of the Ancient World, the Mausoleum at Halicarnassus, was built in the empire between 353 and 350 BC.
Document 12: Iran: Shiraz, with a population of around 1.4 million (2011 census), is the sixth major city of Iran. It is the capital of Fars Province, and was also a former capital of Iran. The area was greatly influenced by the Babylonian civilization, and after the emergence of the ancient Persians, soon came to be known as Persis. Persians were present in the region since the 9th century BC, and became rulers of a large empire under the reign of the Achaemenid Dynasty in the 6th century BC. The ruins of Persepolis and Pasargadae, two of the four capitals of the Achaemenid Empire, are located around the modern-day city of Shiraz.
Document 13: Iran: By the 1500s, Ismail I from Ardabil, established the Safavid Dynasty, with Tabriz as the capital. Beginning with Azerbaijan, he subsequently extended his authority over all of the Iranian territories, and established an intermittent Iranian hegemony over the vast relative regions, reasserting the Iranian identity within large parts of the Greater Iran. Iran was predominantly Sunni, but Ismail instigated a forced conversion to the Shia branch of Islam, by which the Shia Islam spread throughout the Safavid territories in the Caucasus, Iran, Anatolia, and Mesopotamia. As a result, thereof, the modern-day Iran is the only official Shia nation of the world, with it holding an absolute majority in Iran and the Republic of Azerbaijan, having there the 1st and 2nd highest number of Shia inhabitants by population percentage in the world.
Document 14: Delgosha Garden: Delgosha Garden is one of the historical gardens in Shiraz, Iran near Tomb of Sa’di and it belongs to the pre-Islamic era of the Sassanian Empire.
Document 15: Iran: Historically, Iran has been referred to as Persia by the West, due mainly to the writings of Greek historians who called Iran Persis (Greek: Περσίς), meaning "land of the Persians." As the most extensive interactions the Ancient Greeks had with any outsider was with the Persians, the term persisted, even long after the Persian rule in Greece. However, Persis (Old Persian: Pārśa; Modern Persian: Pārse) was originally referred to a region settled by Persians in the west shore of Lake Urmia, in the 9th century BC. The settlement was then shifted to the southern end of the Zagros Mountains, and is today defined as Fars Province.
ground_truth: Old Persian as Pars
sub_queries: Shiraz is the capital of what Province? Answer: Fars Province
What does Fars Province mean? Answer: Old Persian as Pars