This article is a result of research being conducted to explore how churches in two regions of the City of Tshwane - Pretoria Central and Mamelodi East - respond to urban change and vulnerability. Both regions are deeply affected by urban migration patterns. Firstly, I will explore various forms of migration - transnational, rural-urban, urban-suburban and generational - and the causes of migration - social-economic and political - as experienced and described by the churches themselves. Secondly, I will seek to reflect on some of the tensions or ambiguities of how churches respond to migration, how the identity, self-understanding or locatedness of churches inform their responses to migration, and/or how churches and their identity are shaped by migration - commuter or local church, home or temporary church.