Bauan, officially the Municipality of Bauan, is a 1st class municipality in the province of Batangas, Philippines. According to the 2020 census, it has a population of 90,819 people.

Batangas, officially the Province of Batangas, is a first class province of the Philippines located in the southwestern part of Luzon in the Calabarzon region. Its capital is the city of Batangas, and is bordered by the provinces of Cavite and Laguna to the north, and Quezon to the east. Across the Verde Island Passages to the south is the island of Mindoro and to the west lies the South China Sea. Poetically, Batangas is often referred to by its ancient name, Kumintáng.