Jhunjhunu district is a district of the Indian state of Rajasthan in northern India. The city of Jhunjhunu is the district headquarters. Jhunjhunu is an old and historical town having its own district headquarters. It is said that it was ruled over by Chouhan dynasty in the Vikram era 1045. The district is famous for the frescos on its grand Havelis. It is also famous for providing considerable representation to Indian defense forces. Jhunjhunu district was named in the memory of a Jat named “Jhunjha” or “Jujhar Singh Nehra”. The district has a population of 2,139,658, an area of 5926 km², and a population density of 361 persons per km. The district falls within Shekhawati region, and is bounded on the North-East and East by Haryana state, on the South-East, South & South-West by Sikar District & on the North-West and North by Churu District.

Shekhawati is a semi-arid historical region located in the northeast part of Rajasthan, India. The region was ruled by Shekhawat Rajputs. Shekhawati is located in North Rajasthan, comprising the districts of Neem Ka Thana, Jhunjhunu, Sikar that lies to the west of the Aravalis and Churu. It is bounded on the northwest by the Bagar region, on the northeast by Haryana, on the east by Mewat, on the southeast by Dhundhar, on the south by Ajmer, and on the southwest by the Marwar region. Its area is 13,784 square kilometers.