The renewed relevance of religion in post-Soviet public spheres has been accompanied by conspicuous and controversial conversion processes. This article compares cases of conversion on the Muslim-Christian frontier in Kyrgyzstan and in Georgia. It argues that the notions of boundary and frontier are essential to construct a more dynamic model for understanding 'spiritual' movement in social contexts that are rapidly changing. This approach in turn sheds light on the roles and the nature of social and cultural boundaries in the contemporary world
