Indian State of Tripura and Matiranga upazila on the north, Manikchhari and Lakshmichhari upazilas on the south, Mahalchhari upazila on the east and Fatikchhari upazila on the west.

Ramgarh thana was established in 1905 and was turned into an upazila in 1983. The upazila consists of 3 union parishads, 11 mouzas and 82 villages.

Ramgarh Upazila is located in Khagrachhari District. Upazilla(s)/Thana(s) in Khagrachhari are Dighinala Upazila, Khagrachhari Sadar Upazila, Lakshmichhari Upazila, Mahalchhari Upazila, Manikchhari Upazila, Matiranga Upazila, Panchhari Upazila, Ramgarh Upazila.

Mohamuni Buddhist monastery (built by the Mun Dynasty), SDO bungalow.