Geographic Location - 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’.

Land area and Topography - 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.

Climate - The Municipality of Anao has two pronounced seasons: the wet and the dry seasons. The wet season is characterized by heavy rainfall due to monsoon rains and tropical storms, which start in the month of May and last up to September.  This period register temperatures that range from 24 to 31 degrees centigrade.  The rest of the year is the dry season, which peaks in the month of April.  The coldest temperature is in the months of December to February and the warmest in March to May.

  The average rainfall is 29.5 centimeter with an average cloudless or sky coverage that moves at 7.1 knots in the general direction of southwest, southeast and northeast.

Soil - Like most of the eastern towns of the province, the soil of Anao is fertile, alluvial soil, silt loam, sand and clay.  Soil type is officially classified as that of the San Miguel Silt Loam, a type of soil highly suitable to agricultural crops like rice and tobacco.

  The soil series of Anao are light brownish, gray, dark gray to heavy black granular surface soil.  When dry, soil becomes hard and compact and breaks into big clogs.  The sub-soil is brownish gray to granular clay loam.