Żary County is a unit of territorial administration and local government in Lubusz Voivodeship, western Poland, on the German border. It came into being on January 1, 1999, as a result of the Polish local government reforms passed in 1998. Its administrative seat and largest town is Żary, which lies 43 km south-west of Zielona Góra and 123 km south of Gorzów Wielkopolski. The county contains three other towns: Lubsko, lying 21 km north-west of Żary, Jasień, lying 16 km north-west of Żary, and Łęknica, 30 km west of Żary.
The county covers an area of 1,393.49 square kilometres. As of 2006 its total population is 98,929, out of which the population of Żary is 38,967, that of Lubsko is 14,767, that of Jasień is 4,526, that of Łęknica is 2,641, and the rural population is 38,028.