The Cathedral of St. James (Croatian: Katedrala sv. Jakova) in Šibenik, Croatia is a triple-nave basilica with three apses and a dome (32 m high inside) in the city of Šibenik, Croatia. It is the church of the Catholic Church in Croatia, and the see of the Šibenik diocese. It is also the most important architectural monument of the Renaissance in the entire country. Since 2000, the Cathedral has been on the UNESCO World Heritage List.