Didwana is the city, nearby of Nagaur city in Nagaur district of Rajasthan, India. The lion gateway of Marwar in Rajasthan and the archway of Merta, known as Abhanagri and Upakashi, is situated on the northern side of Didwana Salt lake in the north-eastern direction of Nagaur district. It is currently the additional district headquarters of Nagaur district, 6 tehsils of East Nagaur are Didwana, Ladnun, Kuchaman, Nawa, Makrana and Parbatsar. The people of Didwana speak the Rajasthani language of Marwadi, a language in the Indo-Aryan family similar to Hindi.