Social geography looks for structures and defines indicators for possible convergences of views. Over the two last decades, Swiss cities grew diluted in space and have become metropolises-regions (Walter 1995). This ‘metropolisation’ of Switzerland is more than the result of the development of large centres (Cunha & Both 2004: 7). It has to do with the new form and the different scale of urban spaces, which entails a social division and a segmentation of space: the suburban ring absorbs the unqualified households, workers and employees; the low-income households must deal with living in these centres, which they “dualise” instead of “gentrifying” (Abb. 72). [read]