Occidental Mindoro is a province of the Philippines located in the MIMAROPA region in Luzon. the province occupies the western half of the island of Mindoro. Its capital is Mamburao.
The province is known as the home of the indigenous Mangyans. They occupy the interior, specially the highlands. Mangyans have inhabited the island since pre-history. They are believed to have originally travelled from Indonesia and settled down for good in the island.
Occidental Mindoro geography is characterized mainly by mountains, rivers, hills, valleys, wide plains and some small fresh water lakes. Mountain ranges converge on the two central peaks, namely Mt. Halcon in the North, and Mt. Baco in the South. Most of the plains are cultivated fields, with few remaining untouched forests. There are several major drainage or river systems flowing on a generally westerly course: Mamburao river, Pagbahan, Mompong, Biga, Lumintao, Busuanga and Caguray.
The province is also home to one of the more popular coral reefs in the Philippines, Apo Reef.