Dzau District (, Javis municipâÂÂalitâÂÂetâÂÂi; , Dzawy rajon; , Dzauskij rajon) is a district in South Ossetia.
Roki Tunnel, Mamison Pass, Transcaucasian Highway, Ossetian Military Road and the lake Ertso are located in the district.
The largest town is Java; the second largest town is Kvaisa located in the western part of the district.
As of 2015, the Dzau District had a population of 6,567.
According to administrative division of Georgia, Dzau District is situated in the whole territory of Java Municipality, and part of Oni Municipality and Sachkhere Municipality of Georgia.