Trzebnica is a town in Lower Silesian Voivodeship in west-central Poland. It is the seat of Trzebnica County, and of the smaller administrative district (gmina) called Gmina Trzebnica.

Lower Silesian Voivodeship in southwestern Poland, is one of the 16 voivodeships (provinces) into which Poland is divided. The voivodeship was created on 1 January 1999 out of the former Wrocław, Legnica, Wałbrzych and Jelenia Góra Voivodeships, following the Polish local government reforms adopted in 1998. It covers an area of 19,946 square kilometres (7,701 sq mi), and as of 2019 has a total population of 2,899,986.