Pilar is a philippine municipality in the province Abra in Region Cordillera Administrative Region which belongs to the Luzon group of islands. The municipality Pilar is seated about 20 km south of province capital Bangued and about 318 km north of Philippine main capital Manila.
Pilar is a 5th class municipality. Regarding urbanization Pilar is classified as partly urban. Pilar occupies an area of 66.10 km². By the end of 2007 Pilar was the home of 9,792 residents. Thus by average 148.14 people are living on one km².
Administratively the Municipality of Pilar is subdivided into 19 barangays. One forms 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. The most populous are Nagcanasan, Villavieja, Tikitik, Narnara, Patad, Maliplipit, Nanangduan, San Juan East, Brookside, Dintan, Ocup, South Balioag, Pang-ot, San Juan West, Gapang.
Among the bigger cities and municipalities in the neighborhood of Pilar there are City Of Batac (Ilocos Norte) 70 km north, City Of Tabuk (Kalinga) 91 km east, Tuao (Cagayan) 97 km east-north-east, City Of San Fernando (La Union) 93 km south-south-west, Laoag City (Ilocos Norte) 85 km north, City Of Candon (Ilocos Sur) 28 km south-west, Naguilian (La Union) 100 km south-south-west, Bangued 20 km north, Bacnotan (La Union) 82 km south-south-west as well as 28 km north-west of Pilar the municipality City Of Vigan (Ilocos Sur).