The Church of St John Aliturgitos is the largest medieval church in Nessebar. Like the Church of Christ Pantocrator, it is a cross-domed church, built of brick and light-coloured limestone and decorated with coloured ceramic churches. brick and light-coloured limestone and decorated with coloured ceramic inlays. No services were ever held here, which is why the church was given the name "Aliturgitos". the name "Aliturgitos".
The church building was badly damaged in an earthquake in 1913. On the remains of the west wall, drawings of frigates from the 14th century were found. The floor of the church is covered with a mosaic of white, red and green rhombuses, circles and triangles.

