Playas are small lakes with flat floors and undrained basins in which water collects after rains and evaporates quickly are called playas.
​Didwana is a playa. Other such playas are the Kuchaman, the Sargol and the Khatu lakes.
Didwana is a town in the Nagaur district of Rajasthan. It also has a famous Didwana saltwater lake of Rajasthan. The lake is about 4 km in length and with 3 km breadth, The depression is surrounded on all sides by sandhills, except to the west. The depression bed shows the presence of black clay and in appearance is similar to that of the Sambhar lake.
Kuchaman lake is a continental saline lake located around Kuchaman city, Nagaur District, Rajasthan