The meaning and significance of borders in nation-statehood and European integration are integrally linked in a process of change. Uncovering such connections in a case study notable for its recent transformation, this article explores the way in which the narratives and models of European integration have been used in the discourse of Irish official nationalism. Its central thesis is that participation in the space of European Union has facilitated the conceptualisation of a common Irish space in which borders (specifically the Irish border) are not conceived as barriers to be overcome but rather as bridges to the fulfilment of interests. Thus, the Irish governmental elite have used the language of European integration to reconfigure traditional ideals of latent anti-partitionism for a context of peaceful settlement.