The Holy Apostles Church in Thessaloniki, Greece
The Holy Apostles Church in Thessaloniki, Greece, is a must-visit destination in the city center. Despite its unimpressive architecture and history, it remains one of the most popular churches in the area. Notably, the presence of a pillar to the south and a cistern on the northwest side indicates that the church was once a Catholic monastery. Don't miss the opportunity to explore this fascinating piece of history.