Camarines Sur (Tagalog: Timog Camarines) is a province of the Philippines located in the Bicol Region in Luzon. Its capital is Pili and the province borders Camarines Norte and Quezon to the north, and Albay to the south. To the east lies the island province of Catanduanes across the Maqueda Channel.Camarines Sur is the largest among the six provinces in the Bicol Region both in terms of population and land area. Its territory includes two cities: Naga City, the lone chartered city, is the province's and the region's religious, cultural, financial, commercial, industrial, and business center, while Iriga City, a component city, is the center of the Rinconada area andRiŋkonāda Language. Lake Buhi is where the smallest commercially harvested fish can be found, the Sinarapan (Mistichthys luzonensis).