Öz This article aims to introduce a small chapel in Oba-Alanya. The building is situated in the town of Çıplaklı in Oba near Alanya as so-called Kalonoros in the Byzantine period (The archaeological excavations in Alanya Castle are still continuing under the direction of Prof.M. Oluş Arık). Yet, it has not published. The building has a rectangular plan with a single naved and is noteworthy for its non-figurative wall paintings are applied on a thick layer of mortar. This article will focus on the architecture, wall paintings and dating problems of this building.