The townland consists of two sub-townlands, Breandrum Peyton (Irish: Bréandroim (Peyton)) and Breandrum King (Irish: Bréandroim (King)), the suffixes being the surnames of the past English landowners. Both are part of the civil parish of Mohill. Breandrum (King) has an area of 0.16 square miles (0.4071 km²), Breandrum (Peyton) an area of 0.27 square miles (0.7087 km²)
