Sariaya is a municipality located in the province of Quezon in the Philippines. It serves as a significant administrative area within the region, characterized by its demographic scale relative to neighboring local government units.
According to the 2024 census, Sariaya has a population of 172,018 people. This population figure makes it the most populous municipality in Quezon province and the second most populous local government unit in the province, following only the capital city of Lucena.