Its administrative seat and largest town is Tarnowskie Góry, which lies  north-west of the regional capital Katowice. The county contains three other towns: Radzionków,  south of Tarnowskie Góry, Kalety,  north of Tarnowskie Góry, and Miasteczko Śląskie,  north-east of Tarnowskie Góry.
The administrative center and largest town in this region is Tarnowskie Góry, located northwest of the regional capital, Katowice. The county also includes three other towns: Radzionków to the south of Tarnowskie Góry, Kalety north of Tarnowskie Góry, and Miasteczko Śląskie northeast of Tarnowskie Góry.