Visby is a historic town located on the island of Gotland in Sweden. It is known for its well-preserved medieval architecture, including ancient city walls and numerous churches. Visby was an important trading center during the Hanseatic League in the Middle Ages, which contributed to its rich cultural heritage. Today, Visby is a UNESCO World Heritage Site, attracting tourists with its charming cobblestone streets and vibrant atmosphere. The town hosts the annual Medieval Week, where visitors can experience reenactments, markets, and various festivities that celebrate its historical significance.