This bathroom is located in Karvansara neighborhood. This building is called Market Old Bathroom, Golestan Bathroom also Haji Khan Bathroom. There were hot and cold water pools in this bathroom.
It opened to the hexagonal yard which seems that its sides are equal. This enclosure has a dome shape roof. Its Sarbineh located in the front doorway.
Sarbineh is also an octagonal enclosure which at its six sides there are six vaults for clothes. All this vault's ceiling are zigzag. Greenhouse also has a zigzag ceiling.
Main building materials are bricks, plaster and carved marble stone