Gmina Biała (Gemeinde Zülz) is an urban-rural gmina (administrative district) in Prudnik County, Opole Voivodeship, in Upper Silesia in Poland. Its seat is the town of Biała (Zülz), which lies approximately 11 kilometres (7 mi) north-east of Prudnik and 36 km (22 mi) south-west of the regional capital Opole.
The gmina covers an area of 195.82 square kilometres (75.6 sq mi), and as of 2019 its total population is 10,586. Since 2006 the commune, like much of the area, has been bilingual in German and Polish.
Apart from the town of Biała, Gmina Biała contains the villages and settlements of:
Gmina Biała is bordered by the gminas of Głogówek, Korfantów, Lubrza, Prószków, Prudnik and Strzeleczki.
Gmina Biała is twinned with:[2]