Havana is the capital and largest city of Cuba. The heart of the La Habana Province, Havana is the country's main port and commercial center. It is the most populous city, the largest by area, and the second largest metropolitan area in the Caribbean region. The population in 2012 was 2,154,454 inhabitants, and its area is 728.26 km2 (281.18 sq mi) for the capital city side and 8,475.57 km2 for the metropolitan zone.