The Church of Agios Loukas is a historic Greek Orthodox church located in Thessaloniki, Greece. It is dedicated to Saint Luke, the patron saint of artists and physicians. The church is known for its beautiful Byzantine architecture and intricate frescoes, which date back to the 12th century. This church is part of the UNESCO World Heritage Site of Early Christian and Byzantine Monuments of Thessaloniki. It serves as an important religious site for the local community and attracts visitors interested in its rich history and artistic significance.