東薩馬省
Eastern Samar National Comprehensive High School (ESNCHS) is located in Borongan City, Eastern Samar, Philippines. Formerly named Borongan National High School, Eastern Samar National Comprehensive High School was shortly established after the issuance of Republic Act 4221, "Providing for the Division of Samar Island into Three Provinces: Samar, Eastern Samar and Northern Samar." ESNCHS is the largest high school in the Province of Eastern Samar in both population and school area size. It is also considered the flagship high school of Eastern Samar.