Cathedral Island is the oldest and most historic part of Wroclaw, a city in southwestern Poland. It is situated in the center of the city and is accessible via several bridges spanning the Odra River. The island is home to several important landmarks, including the Wroclaw Cathedral and the Archdiocese Museum.

The Wroclaw Cathedral, also known as the Cathedral of St. John the Baptist, is a Gothic church that was built in the 13th century. Over the centuries, it has undergone numerous renovations and additions, resulting in a mix of architectural styles. The cathedral is known for its intricate details, including its soaring towers and ornate decorations. Inside, visitors can admire the stunning stained glass windows and frescoes.

The Archdiocese Museum, located adjacent to the cathedral, is a fascinating collection of religious art and artifacts. It includes exhibits on the history of the church in Wroclaw, as well as a collection of medieval manuscripts, sculptures, and paintings.

Cathedral Island is also home to several other historic churches, including the Church of the Holy Cross and the Church of St. Elizabeth. Visitors can stroll through the charming cobblestone streets and admire the traditional architecture of the island's buildings. There are also several cafes and restaurants offering traditional Polish cuisine, as well as scenic views of the river and surrounding city.