Alwar District is a district in Rajasthan, a state in northern India, with capital in the city of Alwar. The district covers 8,380 km2. It is bound on the north by Rewari district of Haryana, on the east by Bharatpur and Mewat district of Haryana, on the south by Dausa, and on the west by Jaipur districts.As of 2011 it is the third most populous district of Rajasthan (out of 33) after Jaipur and Jodhpur.