Luba is a 5th class municipality in the province of Abra. The municipality is located at the southern part of Abra. It is around 44 kilometers south of Bangued, the provincial capital and about 200 kilometers north of the city of Baguio. It is bounded on the north by the municipality of Manabo; northeast of the municipality of Boliney; on the east of the municipality of Tubo; on the south of the municipality of San Emilio, Ilocos Sur and on the west of the municipality of Villaviciosa.

Land area of Luba has an estimated land area of 20,850.32 hectares or roughly 208.50 sq.kms. It ranks as the 8th largest municipality in size in the entire province of Abra. The total land area represent 4.5 % of the total hectarage of the province.

According to the 2000 census, it has a population of 6,203 people in 1,138 households.

The earliest known settlement in the municipality of Luba was in Barit. It was then a thickly forested area with tall and big trees interconnected with myriads of rattan vines called barit. The early settlers were hunters as the place was blessed with wild pigs, deer and fruit trees.

Luba is politically subdivided into 8 barangays.

The place climate is characterized by 2 distinct seasons. The dry season, which occurs from November to April, is marked by daily blue skies and clear starry nights and the wet season for the rest of the year with high rainfall intensities accompanied by storms and typhoons.

The home of very fine quality of rattan.

Barit increased in population so that another settlement in a nearby place emerged. They called this Barit-Luzong. Southwest of Barit, another settlement occured and they called this Barit-Lulluno. Barit-Amtuagan soon followed . It is only after a considerable period of time that the settlement of Bancagan (now the capital of the municipality) took place. The old folks has it that the river banks were being avoided due to the presence of a deadly reptiles called “ buaya”. But in the middle part of the 18th century settlement near river banks begun to flourish the old folks surmised that half a century earlier, settlers from the uplands had turn to “slash and burn” farming. A destructive method that almost dissipated the tall and big premium hardwood trees. As a consequence flash flood occurred that resulted to siltation in the deep river bed portion virtually neutralized the hiding place of these “buayas” . Exposed to attack, their number were kept into a minimum.