This chapter examines the dialectical interplay between identity and space on an individual level in the Middle English Breton lays and in romance. The use of onomastics, which connects identity with the hero’s place of origin, lends a programmatic dimension to the heroes’ names. Spatial individuation (the modalities through which characters are spatially constructed as individuals) develops further in the motif of the quest, through which individual trajectories become the defining feature of heroes. Romance thus institutes heroic ‘bio-geographies.” The chapter also analyses the emergence, in these late medieval poems, of a conception of the self as an inner space, often materialised in Breton lays by private uses of closed spaces, like chambers. The connection between space (namely architectural) and personal identity takes specific forms when it comes to the fashioning of female individuality, as the recurrent association of female characters with restricted spaces demonstrates. The bio-geographies of romance thus paradoxically anchor personal identity in both the motif of the quest and the ability to exist on one’s own in restricted places.