The Calumpang River is a major river in eastern Batangas, Philippines. Known as the "Nile of Batangas," the river itself forms the southeastern boundary of Poblacion, Batangas City as it continues to

Batangas City, officially the City of Batangas, is a component city and capital of the province of Batangas, Philippines. According to the 2024 census, it had a population of 358,267.