Rewari was accorded the status of a district by the Government of Haryana on November, 1, 1989. Its geographical boundaries have district Jhajjar in its north, Mahendergarh district in its west and district Gurgaon in its east & north-east directions. District Alwar of Rajasthan touches Rewari in the south-east. Prior to it, Rewari was a Sub-division and Tehsil head quarter of district Mahendergarh.
Rewari is located at 82 KM mile stone in the south-west direction of the national capital Delhi across the Delhi Jaipur National Highway No. 8. Rewari town is situated at the height of 241.95 meters above sea level.