Trójca [ˈtrui̯t͡sa] is a village in the administrative district of Gmina Ustrzyki Dolne, within Bieszczady County, Subcarpathian Voivodeship, in south-eastern Poland. It lies approximately 26 kilometres (16 mi) north of Ustrzyki Dolne and 58 km (36 mi) south-east of the regional capital Rzeszów.