The County of Two Hills No. 21 is located in east-central Alberta, approximately 150km (90 miles) from Edmonton.

The County of Two Hills was formed in 1963 throgh the almagamation of the Municipal District of Eagle and the Two Hills School Division.

The County has a mostly rural population of 3322 (2016 census), and covers an area of 2631.33 square kilometers (1015.96 square miles).