The Church of Saint Porphyrius is located in the Zaytoun quarter and dates back to the beginning of the fifth century AD while the  current building dates back to the 12th century. This church is characterized by huge walls supported by marble and granite pillars set in a horizontal position to support the walls. The church was renovated in 1856 and in the northeast corner The tomb of St. Porphyrius, who died in 420 AD.