Zwiastowice [zvjastɔˈvit͡sɛ], German Schwesterwitz, is a village in the administrative district of Gmina Głogówek, within Prudnik County, Opole Voivodeship, in south-western Poland, close to the Czech border. It lies approximately 8 kilometres (5 mi) east of Głogówek, 28 km (17 mi) east of Prudnik, and 37 km (23 mi) south of the regional capital Opole. Historically located in Upper Silesia, in the Prudnik Land.