The article addresses the question of the emergence of urban centres with a gateway function in the area of contemporary Poland. The work concentrates on three urban centres -Mysłowice, Szczakowa and Granica (Maczki) -which gateway function was conditioned by the existence of railway border crossings in the past that provided services for international transport. The interpretation of settlements and their transformations followed the town plan analysis includes method of Conzen. The article indicates spatial consequences of this kind of function which influenced a significant part of the urban area in the indicated towns. The study highlights the dynamics of spatial changes contemporarily conditioned by the loss of the former gateway function and a fact that role of the border has been marginalized. From the other point of view the decreasing role of the political borders which have become in Europe in most cases barely a symbolic meaning. In the presented case studies the key aspect determining the marginalization of their role in the rail transport system and also their urban development was the change of the political borders and their negative consequences (demolition post-rail areas, formation of functionally derelict areas or depopulation). Former glory and role of these three towns are the still existing railway stations. Fortunately, presented railway stations -their potential and heritage give new possibilities for ideas of functional changes and future development.

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Upper Silesia in terms of ethnicity is a typical example of a historical region in Europe, but in fact, one of the few exceptions in contemporary Poland, where its mixed ethnic and religious structures have at least partly survived until today. While their existence had been denied by Nazi Germany (1933-1945) as well as by the Polish People's Republic (1945-1989), the emancipation of the German and Silesian minorities after the democratic changes of 1989 have evoked strong emotions in the ethnically almost uniform country. Nonetheless, the recent situation of minorities has improved as never before. Minority organisations has been officially recognized and German finally has become the second language in some municipalities of Upper Silesia, but the largest ethnic group in the whole country, the Silesians, have still experienced no formal recognition as a national minority. This article deals with the demographic aspects of the ethnic groups in Upper Silesia since the 19th century until recent times. The census results concerning the ethnic minorities or languages in Upper Silesia have been contested since the first records of that kind have been taken. The outcomes of the both last censuses of 2002 and 2011 concerning the minority question reflected for the first time a much more realistic picture of the status quo. Furthermore, they showed that the idea of Silesian identification found an unexpected high number of supporters. This fact indicates an emerging meaning of regional identification amid significant changes of cultural values in Polish society.

Twin town pairs along the German-Polish border are a relatively new phenomenon, as the new border separated some town parts from their core areas in 1945. The relations between the bordering countries have experienced several crucial changes since then. This article analyzes the demographic conditions of small cross-border urban areas in peripheral positions and their spatial development in dependency of the permeability of the border, by examining the example of Görlitz/ Zgorzelec. The focus of this article lies on the integration process of German-Polish border twin towns.