Camarines Sur, officially the Province of Camarines Sur, is a province in the Philippines located in the Bicol Region on Luzon. Its capital is Pili. Camarines Sur is the largest among the six provinces in the Bicol Region both by population and land area. Within the province lies Lake Buhi, where the smallest commercially harvested fish, the Sinarapan (Mistichthys luzonensis), can be found. (Read more)