Agusan del Sur

Agusan del Sur, officially the Province of Agusan del Sur (; Butuanon: Probinsya hong Agusan del Sur; ), is a province in Caraga region, Mindanao, Philippines. Its capital is the municipality of Prosperidad. It is bordered on the northwest by Agusan del Norte and Misamis Oriental; east by Surigao del Sur; southeast by Davao Oriental; mid-south by Davao de Oro; southwest by Davao del Norte and, mid-west by Bukidnon. It is the fourth largest province in the country in terms of area, with the size of 3,856 sq miles. Etymology Agusan derives its name from the Agusan word agasan, meaning "where the water flows", referring to the Agusan River that splits the land and meanders south to north in a rush to Butuan Bay. It is third largest river in the country and served as highway for the Spanish colonizers in gaining access to inner northeastern Mindanao. History Early history The history of Agusan del Sur is essentially linked with that of its sister province, Agusan del Norte.