Gierszowice [ɡʲɛrʂɔˈvit͡sɛ] (German Giersdorf) is a village in the administrative district of Gmina Olszanka, within Brzeg County, Opole Voivodeship, in south-western Poland. It lies approximately 3 kilometres (2 mi) north-east of Olszanka, 8 km (5 mi) south of Brzeg, and 34 km (21 mi) north-west of the regional capital Opole.

• Brzeg water tower