Nasugbu, officially known as the Municipality of Nasugbu, is a municipality located in the province of Batangas in the Philippines. It serves as the largest municipality within the province by land area, covering approximately 278.51 square kilometres (107.53 sq mi).
According to the 2024 census, Nasugbu has a population of 141,063 people. The municipality is characterized by its significant geographic size relative to other administrative divisions in Batangas.