Castries is the capital and largest city in Saint Lucia.

Castries or de Castries may also refer to

Castries, Hérault, a commune in France Château de Castries, a Hérault castle of the House of Castries Castries District, a Saint Lucia district containing Castries town Hôtel de Castries, a Paris mansion of the House of Castries House of Castries, a French noble family Province of Castries, a Roman Catholic province covering the archdiocese and its suffragan dioceses in nearby anglophone islands Castries River, a river in Castries District, Saint Lucia Roman Catholic Archdiocese of Castries, covering all of Saint Lucia

See also De-Kastri, a rural locality in Khabarovsk Krai, Russia Duc de Castries (disambiguation)