Anao is a 5th class municipality in the Province of Tarlac, Philippines. The estimated land area of the Municipality of Anao is 2,387 hectares or 23,870 square meters, most of which are plain or slope-less surface. With this size, Anao is the smallest municipality of Tarlac. Like the province that it is a part of, Anao is landlocked and is relatively far from the sea. It is composed of eighteen (18) barangays, Barangay Poblacion being the center. The area occupied by the municipality was formerly a part of Pangasinan.
One of the 17 towns of the Province of Tarlac, Anao is located thirty-four (34) kilometers away from the provincial center of Tarlac. It lies on the northeastern edge of the province bounded by the following municipalities: San Manuel, Tarlac on the north, Ramos, Tarlac on the south, Moncada, Tarlac on the northwest, Paniqui, Tarlac on the southwest, and Nampicuan, Nueva Ecija on the east. Globally, the town lies between latitudes 15° 40’ – 15° 50’ and longitudes 120° 30’ – 120° 40’.