The Organisation of Eastern Caribbean States is an inter-governmental organisation dedicated to economic harmonisation and integration, protection of human and legal rights, and the encouragement of good governance between countries and territories in the Eastern Caribbean. It also performs the role of spreading responsibility and liability in the event of natural disaster.

Castries 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 70,000, as at May 2013. The city covers 80 km2 (31 sq mi).