Ostrów Tumski is an island located in the Odra River in Wrocław, Poland. It is known as the oldest part of the city and is rich in history, featuring several important landmarks, including the Cathedral of St. John the Baptist. The island is a significant cultural and religious center, with many historical buildings dating back to the Middle Ages. Visitors to Ostrów Tumski can enjoy its picturesque streets, beautiful parks, and serene atmosphere. The island is also home to the Archdiocese of Wrocław and serves as a popular destination for tourists and locals alike, offering a glimpse into the city's past.