Narnaul (Hindi: नारनौल) is a city, a municipal council and headquarters of the Mahendragarh district in the Indian state of Haryana. It is one of the few districts in India with a name different from the district of which it is the headquarters. It is situated 140 kilometres (87 mi) south-west of Delhi and is well connected by both road and rail network. Narnaul is a Class C or Tier-III town which has an area of influence up to 15–20 kilometres (9.3–12.4 mi) from the urban area.
Narnaul is located at 28°02′N 76°07′E / 28.04°N 76.11°E / 28.04; 76.11. It has an average elevation of 318 meters (977 feet). The district is rich in mineral resources such as iron ore, copper ore, beryl, tourmaline, Muschovite mica, Biotite mica, albie, calcite, and quartz. In winters the temperature can lower down to -3°Celsius.
Narnaul is a town with long history. There's been a mention of Narnaul in ancient texts as well,however not much of ancient history has been documented. In the beginning, the town was controlled by Jogis. Till the conquest of Mohammedan, Rathor Rajputs ruled the town and the adjoining areas.