It is located near to Thar desert ,250 kilometres north-west of New Delhi and 260 kilometers south-west of state capital Chandigarh.

Sirsa's nearest cities include Hisar, Fatehabad, Ellenabad, Bhadra, Nohar, Mandi Dabwali and Hanumangarh.

The oldest find is a terracotta toy wheel, found in 1988, that archaeologists believe belongs to the Iron Age Painted Grey Ware culture (c. 1200-600 BCE).

These include a statute of the Buddha, a 0.6-m-tall sculpture of the goddess Ganga on her mount, a mukhalinga depicting Shiva, a figure of an elephant with a man and woman riding on top, and various others.

His troops apparently encountered an abundance of sugar cane growing at Sirsa, which they used to fill the moat around the town's fortress in order to attack it.

[7]: 26–7 The historian Hasan Nizami mentioned Sirsa (as Sarsuti) as the place where Prithviraj Chauhan was captured after the Second Battle of Tarain in 1192.

[9]: 5 Sirsa is listed in the Ain-i-Akbari as a pargana under the sarkar of Hisar, producing a revenue of 4,361,368 dams for the imperial treasury and supplying a force of 5000 infantry and 500 cavalry.

[citation needed] The non-governmental organization Dera Sacha Sauda, established in 1948 by ascetic Mastana Balochistani, has its headquarters in Sirsa.

[15][16] Shri Tara Baba Kutiya, also known as Tarakeswar Dham,[clarification needed] was constructed in the year 2003 with help from Sirsa MLA Gopal Goyal Kanda.