Barangay Alas-as

Situated in San Nicolas, Batangas, Barangay Alas-as is one of 18 barangays that make up the municipality within CALABARZON.

According to the 2020 Census of Population and Housing conducted by the Philippine Statistics Authority, Barangay Alas-as had a population of 0. This made it the 17th largest of 18 barangays in San Nicolas by population, placing it among the smaller barangays of the municipality.

The Philippine Statistics Authority classifies Barangay Alas-as as rural, a designation applied to barangays with lower population density and predominantly non-built-up land use.

San Nicolas is a municipality comprising 18 barangays, and serves as the governing unit directly responsible for local services in Barangay Alas-as, including public health, sanitation, peace and order, and civil registration. Within the wider province of Batangas, which contains 1,078 barangays across its component cities and municipalities, Barangay Alas-as ranks 1077th by 2020 population. Batangas is classified as a 1st by the Bureau of Local Government Finance, a category that reflects the province's annual regular income.

Barangay Alas-as is governed by an elected Sangguniang Barangay composed of a Punong Barangay and seven kagawads, with the Sangguniang Kabataan representing the youth. The next BSKE, set for Monday, November 2, 2026, will elect officials to four-year terms as provided under Republic Act No. 12232.