Complex sentence: Dzierżoniów, (former, former) is a town in southwestern Poland, situated in the Lower Silesian Voivodeship (since 1999), previously in Wałbrzych Voivodeship (1975-1998).
Split into simpler sentences: Dzierżoniów, (former; former) is a town in southwestern Poland. Situated in the Lower Silesian Voivodeship (since 1999), it was previously in Wałbrzych Voivodeship (1975-1998).