In Turkey, the concept of "dini nikah" (Islamic marriage) is an important aspect of Islamic law and tradition. A "dini nikah belgesi" (Islamic marriage certificate) is a document that certifies the marriage of a couple according to Islamic principles. In this report, we will explore the concept of dini nikah belgesi, its significance, and the role of Diyanet (the Turkish Directorate of Religious Affairs) in issuing such certificates. We will also discuss the exclusivity of Diyanet in this matter.