| Jurisdiction: | Metropolitan Archdiocese |
| Castries | |
| Latin: | Archidioecesis Metropolitae Castriensis |
| Area Km2: | 616 |
| Population: | 181,273 |
| Population As Of: | 2016 |
| Catholics: | 105,256 |
| Catholics Percent: | 58.1 |
| Denomination: | Catholic |
| Sui Iuris Church: | Latin Church |
| Rite: | Roman RiteLatin Rite |
| Cathedral: | Cathedral Basilica of the Immaculate Conception in Castries |
| Metro Archbishop: | Gabriel Malzaire |
| Bishop Title: | Archbishop |
| Vicar General: | Michel Francis |
| Episcopal Vicar: | Athanase Joseph |
| Judicial Vicar: | Joseph Raj |
| Emeritus Bishops: | Robert Rivas |
The Metropolitan Archdiocese of Castries (Latin: Archidioecesis Metropolitae Castriensis) is an archdiocese of the Latin Church of the Catholic Church in the Caribbean. The archdiocese consists of the entirety of the former British dependency of Saint Lucia and is a metropolitan see, the suffragans of the Castries Province being the Dioceses of Roseau, Saint George's in Grenada, St. John's-Basseterre and Kingstown.[1] The archdiocese is a member of the Antilles Episcopal Conference.
Erected as the Diocese of Castries in 1956 from its then-metropolitan see of Port of Spain, it was elevated to archdiocese in November 1974.
The archbishop is Gabriel Malzaire The cathedral is the Cathedral Basilica of the Immaculate Conception, a minor basilica located in Derek Walcott Square, Castries.