Concept 2030. The seven delimitation indicators established concerning functional relations, socio-economic characteristics and morphology entailed : commutes to work in FUA core areas (an indicator first used in delimitation in the case of post-1990 data
); migration to the core FUA; the share of employment accounted for by non-agricultural occupations; the intensity of establishment of business entities (in relation to population); the share of all business entities engaged in higher-order services; population
density (excluding areas of forest and water); housing completed in relation to population. The result is a delimitation involving 299 municipalities, of which 33 may be regarded as core and the remaining 266 peripheral. – (BJ).