<Tr> <Td> Turkey </Td> <Td> Ankara </Td> <Td> 5,150,072 </Td> <Td> Istanbul </Td> <Td> 14,377,018 </Td> <Td> 3.4 </Td> <Td> Istanbul was the capital of the Ottoman Empire from 1453 to 1922 . </Td> </Tr> <Tr> <Td> United Arab Emirates </Td> <Td> Abu Dhabi </Td> <Td> 896,751 </Td> <Td> Dubai </Td> <Td> 2,262,000 </Td> <Td> 2.52 </Td> <Td> Abu Dhabi is the second largest city of United Arab Emirates . </Td> </Tr> <Tr> <Td> United States </Td> <Td> Washington, D.C. </Td> <Td> 672,228 </Td> <Td> New York City </Td> <Td> 8,550,405 </Td> <Td> 12.72 </Td> <Td> New York was the capital 1785--1790 and the largest city in 1790 (narrowly edging out the next capital, Philadelphia, which served as capital from 1790 to 1800). Philadelphia was the nation's second - largest city when it was the capital . </Td> </Tr> <Tr> <Td> Vietnam </Td> <Td> Hanoi </Td> <Td> 6,500,000 </Td> <Td> Ho Chi Minh City </Td> <Td> 7,123,340 </Td> <Td> </Td> <Td> Ho Chi Minh City, formerly Saigon, was the capital of South Vietnam prior to reunification . </Td> </Tr>

Largest european country that is not the capital