Koyun Baba is one of the greats of the Naqshbandi order. There are no artefacts left from the tekke bearing his name. It is written in the inscription that the tomb was repaired after Koyun Baba appeared to Sultan Mahmut II in his dream and told him to have his tomb repaired. The tomb has a rectangular plan and is among the closed tombs. The dimensions of the tomb are 4.34*4.67 m. The tomb has a window and an entrance door. It is covered with a tile roof. There are three marble sarcophagi inside the tomb. There is a well in the garden of the tomb. There is no ornamentation inside the mausoleum.