Barotac Viejo is in the northern part of the Province of
Iloilo, facing the strait of
Guimaras and the island of
Negros. It is bounded on the north by
San Rafael, on the west by
Banate, on the south by the
Visayan Sea, and on the east by
Ajuy. It is from
Iloilo City and from San Rafael. The total land area of .
Topography and land features A range of sprawling hills and high mountains occupy three quarters of the land of Barotac Viejo.
Mount Agumid on the northern boundary with San Rafael is the highest mountain, at about 550 meters high. The town is divided by a long mountain range into upper and lower regions. The upper region, about 1,000 feet above sea level, experiences cooler temperatures and more abundant rainfall. The lower region, located near the sea, is well populated and primarily dedicated to rice cultivation.
Water sources Barotac Viejo is served by two rivers, namely the
Barotac Viejo River and the
Barotac Cayo River, along with several creeks and springs. The Barotac Viejo River is the longest and the widest river passing through the heart of the town. It never runs dry, although it occasionally overflows during heavy rains. The river is used for bathing, laundry, and fishing. The municipality has approximately 10 miles of shallow shorelines, with nearby fishponds supporting local aquaculture.
Climate {{Weather box
Rainy season sets in about May and last up to the middle of January. The rainfall in the upper region is comparatively heavier than the lower region. This is due to the chain of high mountains surrounding the place and innumerable springs that flow along the foot of the hills the heaviest rainfall occurs about in the early part of September during the southwest
monsoon. Under usual condition, Barotac Viejo receives up to of rainfall. The average however in the upper region is and in the lower region . Dry season sets in a little earlier in the lower region than in the upper region.
Barangays Barotac Viejo is politically subdivided into 26
barangays. Each barangay consists of
puroks and some have
sitios. • Bugnay • California • Del Pilar • De la Peña • General Luna • La Fortuna • Lipata • Natividad • Nueva Invencion • Nueva Sevilla •
Poblacion • Puerto Princesa • Rizal • San Antonio • San Fernando • San Francisco • San Geronimo • San Juan • San Lucas • San Miguel • San Roque • Santiago • Santo Domingo • Santo Tomas • Ugasan • Vista Alegre ==Demographics==