Sablayan has a total land area of 2,188.80 square kilometers, making it the
largest municipality in the Philippines. The
Apo Reef, North and South Pandan Islands, and a portion of
Mounts Iglit–Baco National Park are part of its jurisdiction.
Sablayan Penal Colony, the Philippines' largest penal facility with sprawling lot of is also located in this municipality. Sablayan is located in the central part of
Occidental Mindoro. It is bounded to the north by the municipality of
Santa Cruz and the municipalities of
Baco,
Naujan,
Victoria and
Socorro all in
Oriental Mindoro province; to the east by the municipalities of
Pinamalayan,
Gloria,
Bansud,
Bongabong and
Mansalay also in
Oriental Mindoro; to the south by the municipality of
Calintaan; and to the west by the Mindoro Strait. Sablayan is from
Mamburao.
Barangays Sablayan is politically subdivided into 22
barangays. Each barangay consists of
puroks and some have
sitios. In 1957 the following barrios were renamed: Batasan to Claudio Salgado, Hinaya to Buhay na Bato (Batong Buhay) and Iriron to San Isidro. • Batong Buhay • Buenavista (town proper) • Burgos • Claudio Salgado • General Emilio Aguinaldo • Ibud • Ilvita • Lagnas • Ligaya • Malisbong • Paetan • Pag-Asa • Poblacion (Lumangbayan) • San Agustin • San Francisco • San Nicolas • San Vicente • Sta. Lucia • Sto. Niño • Tagumpay • Tuban • Victoria
Climate ==Demographics==