Culasi is a first-class municipality located in the province of Antique in the Philippines. It serves as one of the significant administrative divisions within the province, characterized by its substantial geographic footprint and population size.
According to 2024 census data, Culasi has a population of 46,442 people. This makes it the fourth most populous municipality in Antique. It is also ranked as the third largest municipality in the province in terms of land area, covering a total of 228.56 square kilometers.