The Mor Petrus and Mor Paulus Church (Mor Petrus ve Mor Paulus Kilisesi) is located in the Mara Neighbourhood in the city centre of Adıyaman. The church, which is estimated to have been built in the 4th or 5th century, was restored in 1888 and 1905 according to the Syriac inscriptions at the entrance door and inside.

The church extends in the east-west directions and has a basilica plan with three naves. The wooden altar in the apsis was built in 1890 by a Syriac masters from Urfa and was restored recently. The upper floor of the western narthex opens inwards. Today the church, also known as St. Paul’s Church, is used by the Syriac community as a metropolitan centre.