Province of Castellón

Province of Castellón
Provincia de Castellón (Spanish)
Província de Castelló (Valencian)
Map of Spain with Castellón highlighted
Coordinates: 40°10′N 0°10′W / 40.167°N 0.167°W / 40.167; -0.167
Country Spain
Autonomous community Valencian Community
Capital Castellón de la Plana
Government
 • PresidentaMarta Barrachina Mateu
Area
 • Total
6,633.98 km2 (2,561.39 sq mi)
 • Rank38th in Spain
Population
 (2025)
 • Total
627,620
 • Rank26th in Spain
 • Density94.607/km2 (245.03/sq mi)
Demonym(s)castellonense (es)
castellonenc, -ca (va)
Official language(s)Spanish and Valencian
ParliamentCortes Generales
Websitewww.dipcas.es

Castellón (Spanish: Provincia de Castellón [kasteˈʎon]); Valencian: Província de Castelló [kasteˈʎo]) is a province in the northern part of the Valencian Community. It is bordered by the provinces of Valencia to the south, Teruel to the west, Tarragona to the north, and by the Mediterranean Sea to the east. The western side of the province is in the mountainous Sistema Ibérico area. It has a population of 627,620.