One major line in the geopolitical vision has been the relation between west and east (and ‘Europe’ and Russia), which still crucially shapes the geographical and geopolitical imagination of politicians, economists and academics on both sides of the line that nowadays exists not so much on the ground but rather as a fuzzy frontier in human minds and practice.

Paasi, A. (2001). Europe as a Social Process and Discourse: Considerations of Place, Boundaries and Identity. European Urban and Regional Studies 8(1): 7-28, p. 8.