Question: Which region contains the birth city of Alexander Gerschenkron?

full_context: Document 1: Germans: After World War II, eastern European countries such as the Soviet Union, Poland, Czechoslovakia, Hungary, Romania and Yugoslavia expelled the Germans from their territories. Many of those had inhabited these lands for centuries, developing a unique culture. Germans were also forced to leave the former eastern territories of Germany, which were annexed by Poland (Silesia, Pomerania, parts of Brandenburg and southern part of East Prussia) and the Soviet Union (northern part of East Prussia). Between 12 and 16,5 million ethnic Germans and German citizens were expelled westwards to allied-occupied Germany.
Document 2: Harry G. Shaffer: Harry G. Shaffer (1919–2009) was Professor Emeritus of the Economics Department at the University of Kansas. He was born on August 28, 1919, in Vienna, Austria. Fluent in German, Shaffer served in World War II, in which he acted as a translator. He was active in the Civil Rights Movement and the movement against the War in Vietnam. He wrote one popular book called "American Capitalism and the Changing role of Government" (still in print and available in hardcopy and Kindle editions) and about ten scholarly books, including "The Soviet System in Theory and Practice: Western and Soviet Views," "The Soviet Economy: Western and Soviet Views," "From Underdevelopment to Affluence: Western, Soviet, and Chinese Views," "The Soviet Treatment of Jews," "Women in the Two Germanies: A Comparative Study of a Socialist and Non-Socialist Society," "Periodicals on the Socialist Countries and Marxism: A New Annotated Index of English Language Publications," "Soviet Agriculture: An Assessment of Its Contributions to Economic Development," and others. Although out of print, all the books named here can be located on Amazon. Harry Shaffer prided himself on being one of the few American scholars presenting a balanced view of capitalism and socialism by presenting voices from both sides of the table. He also wrote countless scholarly articles, and a popular piece on U.S. History titled "The U.S. Conquers the West." He used to say, semi-humorously, that his specialty, Soviet Economics, no longer existed. He taught at the University of Kansas for 53 years after leaving the University of Alabama. He was one of the most popular professors at KU. In the later part of his career, he taught ECON 104, which is the introduction to economics course. The course attracted about 500 students every semester.
Document 3: Nicolai Ivanovich Andrusov: He was born in Odessa, then a part of Russia. He studied geology and zoology at the Novorossia University in Odessa. He then traveled across Russia and central Europe to collect fossil specimens.
Document 4: Otto Beckmann: The family was forced to flee to Austria in 1922 where Otto Beckmann graduated from the HTL (Federal Secondary College of Engineering) in Moedling near Vienna and the Academy of Fine Arts in Vienna. In 1941, he became professor at the Institute for Arts and Crafts in Kraków.
Document 5: The Odessa Tales: The Odessa Tales (Russian: Одесские рассказы) is a collection of short stories by Isaac Babel, situated in Odessa in the last days of the Russian empire and the Russian Revolution. Published individually in magazines throughout 1923 and 1924 and collected into a book in 1931, they deal primarily with a group of Jewish thugs that live in the Moldavanka, a ghetto of Odessa. Their leader is Benya Krik, known as the King.
Document 6: Moldavanka: Moldavanka is a historical part of Odessa in the Odessa Oblast (province) of southern Ukraine, located jointly on Malinovskiy and Primorskiy city districts. Before 1820 a settlement just outside Odessa which later engulfed it. Until the 20th century the neighborhood was considered a low-income/high-crime part of the town and was famous for its workers' shacks.
Document 7: Hans Thirring: the University of Vienna until his forced retirement in 1938 after the Anschluss, the annexation of Austria by Nazi Germany. After the end of World War II, he was reinstated and became dean of the philosophical faculty in the years 1946–1947. He was also active in the Socialist Party of Austria and served as member of the Federal Council of Austria during 1957–1963.
Document 8: Donetsk Oblast: Donetsk Oblast is located in southeastern Ukraine. The area of the oblast (26,517 km²), comprises about 4.4% of the total area of the country. The oblast borders the Dnipropetrovsk and Zaporizhia Oblasts on the southwest, the Kharkiv Oblast on the north, the Luhansk Oblast on the northeast, the Rostov Oblast in Russia on the east, and with the Sea of Azov on the south.
Document 9: Moldavian Soviet Socialist Republic: Moldavian Soviet Socialist Republic (shortly: Moldavian SSR, abbr.: MSSR; Romanian: Republica Sovietică Socialistă Moldovenească, in Cyrillic alphabet: Република Советикэ Сочиалистэ Молдовеняскэ; Russian: Молда́вская Сове́тская Социалисти́ческая Респу́блика Moldavskaya Sovetskaya Sotsialisticheskaya Respublika), also known to as Soviet Moldavia or Soviet Moldova, was one of the fifteen republics of the Soviet Union existed from 1940 to 1991. The republic was formed on 2 August 1940 from parts of Bessarabia, a region annexed from Romania on 28 June of that year, and parts of the MASSR, an autonomous republic within the Ukrainian SSR.
Document 10: Bukovina: A region of Moldavia during the Middle Ages, the territory of what became known as Bukovina was, from 1774 to 1918, an administrative division of the Habsburg Monarchy, the Austrian Empire, and Austria-Hungary. After World War I, Romania established its control over Bukovina. In 1940, the northern half of Bukovina was annexed by the Soviet Union in violation of the Molotov–Ribbentrop Pact, and currently is part of Ukraine.
Document 11: Odessa Oblast: Odessa Oblast (also known as Odesa Oblast; , "Odes’ka oblast’", , "Odesskaya oblast’") is an oblast (province) of southwestern Ukraine, located along the northern coast of the Black Sea. Its administrative center is the city of Odessa ().
Document 12: George Andreadis: Andreadis studied at Anatolia College in Thessaloniki on a scholarship, and then studied Political Economy at Freiburg University in Germany. He has visited the Black Sea region of Turkey numerous times and has written extensively about its culture and history, in particular the history of the Pontic Greeks deported in the 1920s.
Document 13: Alexander Gerschenkron: Born in Odessa, then part of the Russian Empire, Gerschenkron fled the country during the Russian Civil War in 1920 to Austria, where he attended the University of Vienna, earning a doctorate in 1928. After the Anschluss in 1938, he emigrated to the United States.
Document 14: Austria: Karl Renner and Adolf Schärf (Socialist Party of Austria [Social Democrats and Revolutionary Socialists]), Leopold Kunschak (Austria's People's Party [former Christian Social People's Party]), and Johann Koplenig (Communist Party of Austria) declared Austria's secession from the Third Reich by the Declaration of Independence on 27 April 1945 and set up a provisional government in Vienna under state Chancellor Renner the same day, with the approval of the victorious Red Army and backed by Joseph Stalin. (The date is officially named the birthday of the second republic.) At the end of April, most of western and southern Austria were still under Nazi rule. On 1 May 1945, the federal constitution of 1929, which had been terminated by dictator Dollfuss on 1 May 1934, was declared valid again.
Document 15: Mexico City: The boroughs are composed by hundreds of colonias or neighborhoods, which have no jurisdictional autonomy or representation. The Historic Center is the oldest part of the city (along with some other, formerly separate colonial towns such as Coyoacán and San Ángel), some of the buildings dating back to the 16th century. Other well-known central neighborhoods include Condesa, known for its Art Deco architecture and its restaurant scene; Colonia Roma, a beaux arts neighborhood and artistic and culinary hot-spot, the Zona Rosa, formerly the center of nightlife and restaurants, now reborn as the center of the LGBT and Korean-Mexican communities; and Tepito and La Lagunilla, known for their local working-class foklore and large flea markets. Santa María la Ribera and San Rafael are the latest neighborhoods of magnificent Porfiriato architecture seeing the first signs of gentrification.
ground_truth: Odessa Oblast
sub_queries: Alexander Gerschenkron >> place of birth Answer: Odessa
Odessa >> located in the administrative territorial entity Answer: Odessa Oblast