The town is said to have been founded by Chahaju and the name Chhajunagar was changed to Jhajjar subsequently. Jhajjar is a vibrant town located in the northern Indian state of Haryana , known for its rich cultural heritage and historical significance. Nestled amid fertile plains, Jhajjar serves as a key agricultural and commercial hub in the region. © District Jhajjar , Developed and hosted by National Informatics Centre, Ministry of Electronics & Information Technology, Government of India Last Updated: Oct 30, 2025 Jhajjar a small town in the state of Haryana is known for its developing economy and infrastructural growth. Today it counts amongst the fast developing regions of Haryana with focus on public welfare.