Geography

Abra is situated in the mid-western section of the Cordillera Administrative Region in Luzon. It is bordered by the provinces of Ilocos Norte on the northwest, Apayao on the northeast, Kalinga on the mid-east, Mountain Province on the southeast, and Ilocos Sur on the southwest. Abra has a total land area of 4,165.25 square kilometres or 1,608.21 square miles.

The province is hemmed in by the towering mountain ranges of the Ilocos in the west and the Cordillera Central in the east. The Abra River runs from the south in Benguet to the west and central areas, bisecting the whole Abra Valley. It is joined by the Tineg Riveroriginating from the eastern uplands at a point near the municipality of Dolores.