This study focuses on the historical Ishan Church in Artvin, Turkey and its structural behaviour. The main purpose of this study is to investigate structural behaviour of the church. Therefore, Ishan Church is modelled numerically, and analyzed by means of static and dynamic analyses. Analysis results and literature review prove that the cracks identified in the structure are caused by external effects and excessive load. Moreover, critical stresses are frequently observed in the skewback of main arches, and these parts are considered to be risky in terms of structural performance.