Wałbrzych is a city located in the Lower Silesian Voivodeship, in southwestern Poland. From 1975–1998 it was the capital of Wałbrzych Voivodeship; it is now the seat of Wałbrzych County. Wałbrzych lies approximately 70 kilometres (43 mi) southwest of the voivodeship capital Wrocław and about 30 kilometres from the Czech border. Wałbrzych has the status of municipality. Its administrative borders encompass an area of 85 km2 (33 sq mi) with 110,000 inhabitants, making it the second-largest city in the voivodeship and the 33rd largest in the country.

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.