Ioannina Castle is a historic fortress located in the city of Ioannina, Greece. Built in the 6th century, it features impressive walls and towers that have withstood various sieges over the centuries. The castle is situated on a peninsula overlooking Lake Pamvotis, providing a strategic vantage point. Inside the castle, visitors can explore several important sites, including the Byzantine Museum and the Aslan Pasha Mosque. The castle's architecture reflects a blend of Byzantine and Ottoman influences, showcasing its rich history. Today, it serves as a popular tourist attraction, drawing visitors interested in Greek heritage and culture.