Kastra
Kastra sits atop the Acropolis of Thessaloniki, providing a panoramic view of the city's landscape. Built during the Byzantine period in the 4th century, this historic fortress has played a crucial role in the city's defense over centuries. Today, it serves as a popular destination for visitors interested in exploring the ruins, with remnants of towers and walls visible throughout the site. If you're planning a stroll, visiting in April allows you to enjoy the mild weather while taking in the views. As you wander through Kastra, keep an eye out for the small Orthodox churches that dot the area, offering a glimpse into Thessaloniki's rich religious heritage.