Acquaintance with regions / residential history / motivation for interregional migration / ( non- ) attractiveness of residential region / reasons for living in region / expectations regarding future interregional migration and motivation for it / criteria for choosing other region / evaluation of aspects of urbanization / preference for urbanized versus rural regions / estimation of regions with highest or lowest degree of urbanization / desired change in urbanized regions / recreation and regions visited for that reason / most or least attractive regions regarding landscape / most or least polluted regions / most or least attractive regions with regard to mentality of population / regional residence of friends and relatives / preferred aspects of residential quarter / neighbourhood / best or worst housing facilities per region / maximum rent or price for house / favourite region, sub- region or municipality for living. Background variables: basic characteristics/ place of birth/ residence/ housing situation/ household characteristics/ occupation/employment/ income/capital assets/ social class