During the American period in October 23, 1903, Anini-y was integrated into the municipality of Tobias Fornier (formerly Dao) by virtue of Philippine Commission Act No.This move by the Americans, aimed to reorganize the local government units in the country.On August 5, 1949, the town of Anini-y became independent again from the municipality of Tobias Fornier by virtue of Executive Order No.Anini-y is the southernmost municipality of the province and is 40 kilometres (25 mi) from the provincial capital, San Jose de Buenavista, and 85 kilometres (53 mi) from Iloilo City.According to the Philippine Statistics Authority, the municipality has a land area of 66.17 square kilometres (25.55 sq mi) [5] constituting 2.42% of the 2,729.17-square-kilometre- (1,053.74 sq mi) total area of Antique.