Theories of “margins” understand this topic in numerous different senses. From margin as insignificance, to law as defining its own outside, to the periphery of states, to the temporal logic of nations, to the limits of the self, margins come in a number of physical and conceptual forms. This essay explores how different senses of “margin” overlap in Europe's relationship with Turkey during the height of the Syrian refugee crisis. Focusing specifically on Brexit and a 2016 agreement between the European Union and Turkey regarding Syrian refugees, the essay maps the fluid construction of Turkey as a variety of margins.