It is bordered by Delhi, Panipat, Rohtak, Jind, Jhajjar and Baghpat (Uttar Pradesh).

Sonipat was earlier known as Sonprastha, which later became Swarnprastha (Golden City), which is derived from two Sanskrit words, Svarna (Gold) and Prastha (Place).

Over a period of time, the classical name Swarnprastha's pronunciation degraded into Svarnpat, and then to its current form, Sonipat.

The earliest reference of this city comes in the historical book of Mahabharata, and at that time, it was one of the five villages demanded by the Pandavas in lieu of the kingdom of Hastinapur.

It consists of Sonipat tehsil lying to the west of the Khadar, and is the most extensive of the three regions: The Upland Plain is covered with old alluvium, which if properly irrigated, is highly productive.

There is extensive Farming of crops, oil seeds, horticultural plants, vegetables and flowers in this region.

A much smaller part of the district is covered with soil consisting of sand or sandy loam.

These are further divided into seven blocks: Ganaur, Sonipat, Rai, Kharkhoda, Gohana, Kathura and Mundlana.

There are six Vidhan Sabha constituencies in this district, namely, Ganaur, Rai, Kharkhauda, Sonipat, Gohana and Baroda.

[4] Recently in 2012, National Institute of Food Technology Entrepreneurship and Management, NIFTEM, a world class institute was founded in Kundli which falls near Delhi border, SRM Institute of Science and Technology Delhi NCR Sonepat in Rajiv Gandhi Education City, Sonipat near Delhi was founded in 2013.Haryna sports University is also would be constructed in the district as per the Act of state legislative Assembly also one of the country's premier Union of India sports institute namely SAI center is also located in sonipat.

[5][6] According to the 2011 census Sonipat district has a population of 1,450,001,[8] roughly equal to the nation of Gabon[9] or the US state of Hawaii.