Cabangan is a philippine municipality. It is located in the province Zambales in Region III Central Luzon which is a part of the Luzon group of islands. The municipality Cabangan is seated about 31 km south-south-east of province capital Iba and about 114 km west-north-west of Philippine main capital Manila. The geographic coordinates of Cabangan are 15° 3' 42'' N, 120° 4' 11'' E.
Administratively the Municipality of Cabangan is subdivided into 22 barangays. 4 compose the center of the city wheras the other 18 are in the outlying areas. Some of them are even several kilometers away from the center of the Municipality.
According to the 2007 census, Cabangan has a population of 21,519 residents and is part of the big group of 1073 cities and municipalities in the Philippines which have more than 10.000 residents but did not reach 50.000 population yet. Based on the number of its inhabitants Cabangan is number 1154 of the most populous cities of the Philippines and at 547 in Luzon group of islands and at 13 of the most populous cities of province Zambales. With an area of 175.29 km² Cabangan is one of the cities with a smaller urban area. Based on its area area, it ranks only as the 10th of the smallest cities of the province of Zambales.