Baku (Azerbaijani: Bakı), sometimes known as Baqy, Baky or Baki, is the capital, the largest city, an the largest port of Azerbaijan. Located on the southern shore of the Absheron Peninsula, the city consists of two principal parts: the downtown and the old Inner City (21,5 ha). As of January 1, 2005 the population was 2,036,000 of which 153,400 were internally displaced persons and 93,400 refugees. Baku is a member of Organization of World Heritage Cities and Sister Cities International. The city was also bidding for the 2016 Summer Olympics, but was eliminated June 4, 2008.