The Church of San Agustin is a historic church located in the city of Manila, Philippines. Built in the late 16th century, it is the oldest stone church in the country and is known for its stunning Baroque architecture. The church is part of the UNESCO World Heritage Site known as the "Baroque Churches of the Philippines," which highlights its cultural and historical significance. Inside, the church features beautiful wooden ceilings and intricate altars, showcasing the artistry of the period. The San Agustin Museum, located adjacent to the church, offers insights into its history and the role of the Augustinian Order in the Philippines.