Castries (/kəˈstriːz/ ) is the capital and largest city of Saint Lucia, an island country in the Caribbean. The urban area has a population of approximately 20,000, while the eponymous district has a population of just under 70,000, as of May 2013. The city covers 80 km (31 sq mi).
Castries is on a flood plain and is built on reclaimed land. It houses the seat of government and the head offices of many foreign and local businesses. The city is laid out in a grid pattern. Its sheltered harbour receives cargo vessels, ferries and cruise ships. It houses duty-free shopping facilities such as Point Seraphine and La Place Carenage.