Maputo, known as Lourenço Marques before independence, is the capital and largest city of Mozambique. It is known as the City of Acacias, in reference to acacia trees commonly found along its avenues, and the Pearl of the Indian Ocean. Today, it is a port city on the Indian Ocean, with its economy centered around the harbour. According to the 2007 census, the population is 1,766,184. Cotton, sugar, chromite, sisal, copra, and hardwood are the chief exports. The city manufactures cement, pottery, furniture, shoes, and rubber. The city is surrounded by Maputo Province, but is administered as its own province.