Description : A group of young people sitting by the sea side. Havana, Cuba.. Officially known as Ciudad de La Habana, it is the capital city, major port, and leading commercial centre of Cuba. The city is one of the 14 Cuban provinces. There are about 2.4 million inhabitants, known as Habaneros and among them nearly 400,000 live in the urban area making Havana the largest city in both Cuba and the Caribbean region.