Benicàssim (Spanish: Benicásim, Arabic: بنو قاسم according to Numismatic findings is a municipality embracing a port town and beach resort located in the province of Castelló, on the Costa del Azahar in Spain. It is located 13 km north of the town of Castelló de la Plana, on the north of the Valencian Community. It has a population of 13,901. Its main economic activity comes from tourism; most notably the town is famous for the Festival Internacional de Benicàssim, one of the most important summer indie music events in Europe.