This Book will focus on Mhalmoyé living in Mardin, and surrounding towns in Turkey to analyse the relation between sociocultural boundaries and ethnic identities. Boundaries which separate communities from each other have been used as an analytical tool in socio-anthropological analyses. This Book tries to find out that there is a relation between the dimensions of the boundary and the construction of ethnic identities in a diverse area. In addition to this, it examines that socio-cultural boundaries can not only make the differences between ethnic identities apparent but also they can occasionally bring different ethnic groups together under the same roofThese "Aremean Muslims" so called the Mhalmoyéans to some Orientalists are just another waste of DNA given to the Arabian knights.Mhallami are in Muslim radical groups and majority of people who discuss them are calling them "Assyrian Muslims".But finally they are part of the Aremean civilization whether you accept or not.The demographical structure of rural areas is variable from region to region except the district of Midyat which shows similarities with the city centre on different cultural diversities with minorities.