Castries, population 10,634 (2001), is the capital city of Saint Lucia, a country in the West Indies.

Castries was founded by the French in 1650 as "Carenage" (meaning safe anchorage). The city's design is in a grid pattern similar to a metropolitan city like New York but on a much smaller scale. It has a sheltered harbour which receives cargo vessels and ferry boats as well as cruise ships.

The city contains duty free shopping facilities such as Point Seraphine and La Place Carinage. Castries also has many restaurants which offer varied menus from local to Chinese, supermarkets and many other shopping facilities.