The Central Eastern Circuit is composed of the municipalities of Bauang, Bagulin, Burgos, and Naguilian. The circuit is located 10 km south of the Capital City of San Fernando and 50 km west of Baguio and 250 km north of Manila. The circuit has total land area of 35, 178. The Municipality of Bagulin holds the largest share of land area and the Municipality of Burgos has the smallest.

It is mountainous and forested area. Only the Municipality of Bauang has a coastal area along a portion of the shoreline of the West Philippine Sea.