The Fortress of Rethymno, also known as the Fortezza, is a well-preserved Venetian castle located in the city of Rethymno, on the island of Crete. Built in the 16th century, it was designed to protect the city from invasions and pirates. The fortress features impressive walls, bastions, and a central citadel, showcasing Renaissance military architecture. Today, the fortress serves as a popular tourist attraction, offering stunning views of the surrounding area and the Mediterranean Sea. Visitors can explore its historical structures, including the Arsenal and the Church of St. Nicholas, which reflect the rich cultural heritage of the region.