The Municipality of Balaoan is located in the northern part of La Union province. It is bordered by
Bacnotan to the south,
Bangar to the north,
Luna and
South China Sea to the west, and
Santol to the east. Barangay Paraoir, located along the South China Sea, is known for its pristine coastal community. Balaoan can be reached from Manila by traveling along the
MacArthur Highway or by flying into
San Fernando Airport. Covering a land area of 6,870 hectares (17,000 acres), Balaoan consists primarily of
agricultural lands, which make up 4.3% of the total area of La Union province. The town is classified into different land types, with 2,551 hectares designated as lowland, 3,577 hectares as upland, and 322 hectares as the poblacion area. The seashores extend over 7,200 hectares. Balaoan is home to one
river Maragayap River, six esteros/
creeks, and 50
canals. The town’s existing land use includes 3,755 hectares of agricultural areas, 91.86 hectares of bareland, 710.41 hectares of
grassland/
shrubland, 202.08 hectares of
wetland, 1,508 hectares of forest/wooded areas, and 177.65 hectares of built-up areas. Balaoan is situated from the provincial capital
San Fernando, and from the country's capital city of
Manila.
Barangays Politically, Balaoan is divided into 36 barangays, which include 27 lowland barangays, 7 upland barangays, and 2 coastal barangays. Each barangay is further subdivided into
puroks, and some also have
sitios. • Almeida • Antonino • Apatut • Ar-arampang • Baracbac Este • Baracbac Oeste • Bet-ang • Bulbulala • Bungol • Butubut Este • Butubut Norte • Butubut Oeste • Butubut Sur • Cabuaan Oeste • Calliat • Calungbuyan • Camiling • Dr. Camilo Osias Poblacion • Guinaburan • Masupe • Nagsabaran Norte • Nagsabaran Sur • Nalasin • Napaset • Pagbennecan • Pagleddegan • Pantar Norte • Pantar Sur • Pa-o • Paraoir • Patpata • Sablut • San Pablo • Sinapangan Norte • Sinapangan Sur • Tallipugo
Climate {{Weather box ==Demographics==