After the Balkan peninsula came under the rule of the Ottoman State, there is a mutual interaction and development in the fields of socio-cultural, economic, religious and so on between the Ottomans and different nations living there. Some objective and subjective studies have been done on how this interaction and development occurs. The common opinion that emerged in recent studies on this it is the fact that although the Ottomans instilled the religion of Islam in non-Muslims in the new regions they conquered, they did not follow the policies of changing their religious traditions and customs by force. As a matter of fact, although the Ottomans dominated the Balkans for 5 tasavvur, c. 6 sy. 2 (Aralık 2020) | İlir RRUGA centuries when it comes to the 20 th century, it is seen that only the majority of Albanians and Bosnians have adopted Islam.The periods when Albanians adopted the religion of Islam (which century started more intense Islamization movements, 17 th or 18 th , if we mention) when we look at it, the emergence of Crypto Christian groups in different regions and periods draws our attention. The facts of Crypto Christians are in other Balkan regions of the Ottoman State it has been seen in places such as Cyprus, Islands, Trabzon etc. This article aims to examine the Crypto Christian events that occurred within the borders of today's Albania. The main sources of the research are the priest's reports and Ottoman archive documents of that period. In addition, we referred to new local and foreign studies on this subject.