Warsaw (Polish: Warszawa [varˈʂava]; also known by other names) is the capital and largest city of Poland. It is located on the Vistula River roughly 370 kilometers (230 mi) from both the Baltic Sea coast and the Carpathian Mountains. Its population as of 2007 was estimated at 1,706,624, with a metropolitan area of approximately 3,350,000. The city area is 516.9 square kilometers (199.6 sq mi), with an agglomeration of 6,100.43 square kilometers (2,355.4 sq mi) (Warsaw Metro Area – Obszar Metropolitalny Warszawy). Warsaw is the 8th largest city in the European Union. Warszawianka (1831) (French: La Varsovienne) is widely considered the unofficial anthem of the Capital City of Warsaw. On November 9, 1940 the City of Warsaw was awarded with the highest military decoration for courage in the face of the enemy - Order Virtuti Militari for the heroic defence in 1939. Warsaw is also known as the "phoenix city", as it was completely destroyed during World War II, and rebuilt with the herioc effort of Polish citizens. Warsaw has given its name to the Warsaw Pact, Warsaw Convention, Treaty of Warsaw and the Warsaw Uprising.