Zadwórze [zadˈvuʐɛ] is a village in the administrative district of Gmina Ustrzyki Dolne, within Bieszczady County, Subcarpathian Voivodeship, in south-eastern Poland. It lies approximately 7 kilometres (4 mi) south-east of Ustrzyki Dolne and 87 km (54 mi) south-east of the regional capital Rzeszów.