Patras Fortress is a historic castle located in the city of Patras, Greece. Built in the 6th century AD, it was constructed to protect the city from invasions. The fortress features impressive walls and towers, showcasing a blend of Byzantine and Venetian architectural styles. Over the centuries, Patras Fortress has served various purposes, including a military stronghold and a prison. Today, it is a popular tourist attraction, offering visitors stunning views of the surrounding area and the Gulf of Patras. The site also hosts cultural events and exhibitions throughout the year.