Narnaul is a city, a Municipal Council, and location of headquarters of the Mahendragarh district in the Indian state of Haryana.

During the early vedic period of Rigveda, this area was called the Nandigram where rishi Chyavana lived in his ashram.

During the mahabharta period, the Nara Rashtra, on the Hastinapur to Chambal route, was conquered by the youngest Pandava brother Sahdev.

In 1137 CE, foreign-origin muslim invader Hazrat Turkman, also known as Shah Wilayat, was killed by the native Nuniwal .

[3] After his defeat of Humayun in 1540, Sher Shah built a monumental tomb for his grandfather, Ibrahim Khan Suri, inside the dargah complex at Narnaul.

[3] An ornate haveli, the Chhata Rai Bal Mukund Das, reflects the "Bengali" architectural style that was spread to northern India at the time of Shah Jahan and was later popular under the Rao Kings of Ahirwal.

[3] The Muslim Nawab of Narnaul took part in the Indian Rebellion of 1857 and, after its suppression, the British confiscated his lands and gave them to the Maharaja of Patiala, who had sided with them during the war.

[6] Rao Krishan Gopal, from Nangal Pathani village of Gurgaon district was the Kotwal of Meerut, who had played a prominent part in collaboration with Raja Nahar Singh of Ballabhgarh, Nawab of Jhajjar, and Raja Salamat Khan of Mewat, by organising the patriotic forces and participating in several battles against the British troops.