Koszalin Cathedral, officially known as the Cathedral of the Assumption of the Blessed Virgin Mary, is a prominent Roman Catholic church located in Koszalin, Poland. Built in the late 19th century, it features a neo-Gothic architectural style, characterized by its tall spires and intricate stained glass windows. The cathedral serves as the seat of the Diocese of Koszalin-Kołobrzeg. The cathedral is not only a place of worship but also a significant cultural landmark in the region. It hosts various religious events and concerts, attracting both locals and tourists. Its historical and architectural significance makes it a key attraction in Koszalin.