Heraklion or Heraclion (; Greek: Ηράκλειο, Irákleio, pronounced [iˈraklio]) is the largest city and the administrative capital of the island of Crete and capital of Heraklion regional unit. It is the fifth largest city in Greece. According to the results of the 2011 census, the municipality's population was 173,993 and according to the results of 2011 census, the metropolitan area has a population of 225,574 and it extends over an area of 684.3 km2 (264.2 sq mi).