Västerås Cathedral, known as Västerås domkyrka, is a prominent church located in the city of Västerås, Sweden. It was originally built in the 13th century and has undergone several renovations over the years. The cathedral features a mix of architectural styles, primarily Gothic and Romanesque, and is notable for its tall spire and beautiful stained glass windows. The cathedral serves as the seat of the Bishop of Västerås and is an important site for religious ceremonies and events. It also houses various historical artifacts, including medieval altarpieces and a unique wooden sculpture of Saint Erik, the patron saint of Sweden.