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This paper presents a cross-sectional analysis of the urban land use patterns of 230 city regions in 34 European countries and an in-depth longitudinal analysis of 10 selected regions. The guiding question is whether the post-socialist transformation of urban spatial structure in Eastern European regions can be interpreted as an adaption process to Western-style urbanisation and how far a process of 'mimicry' has reached. Our empirical approach is based on a model designed to measure binary urban land use patterns with respect to spatial dispersion. As cities and city regions vary in spatial pattern and size, we calculate the dispersion index for three different standardised extents: squares of 25 and 50 km around the defined urban centres as well as cityadjusted accessibility isochrones. Our input layers are binary settlement classifications derived from multi-temporal Earth observation data. For the cross-sectional analysis, we cover entire Europe, and for the longitudinal analysis, we cover a sample of 10 cities for Western and Eastern Europe of predominantly capital cities of different sizes at four time steps-1975, 1990, 2000 and 2010. We found significant differences between Western and Eastern European city regions as they have entered different stages of urbanisation. Eastern city regions are less populated, less urbanised, more dispersed and denser than regions in the West. Processes of post-socialist urban

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In the context of increasing mobility in recent decades, numerous studies have analysed the impact of migration on urban spaces. International immigration is mainly concentrated in certain urban areas, with these so-called arrival spaces offering important opportunities for migrants to gain a foothold in their new surroundings. However, the current state of research provides just limited ways of identifying and typifying these spaces. On the one hand, there are no transferable, quantitative concepts. On the other hand, current discussions tend to focus on socio-economically deprived spaces, neglecting more affluent areas. To identify a city's different (and partly newly emerging) arrival neighbourhoods and to adapt local policies to the specific needs of their residents, we have developed a methodological approach to identifying and typifying arrival spaces on a small-scale level. Using the case study of Dortmund in Germany, this paper presents this approach and its transferability to other European cities.

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