English: A regiopolis region or regiopolitan area (short regio) is a population center consisting of a larger and regionally important city, the regiopolis, and its adjacent zone of influence, or of several neighboring cities or towns and adjoining areas, with one or more large cities serving as its hub or hubs.
This is a main category requiring frequent diffusion and maybe maintenance. As many pictures and media files as possible should be moved into appropriate subcategories.
<nowiki>regiopola; Regiopolis; Cidade-polo; Региополис; क्षेत्रनगर; Regiopole; Regiopolis; regiopolis; Regiopolis; 德国区域中心城市; regiopolis; Город за пределами территории мегаполисов, являющийся независимой движующей силой развития внутри более крупного региона; Stadt außerhalb einer Metropolregion, die als regionaler Entwicklungsmotor dient; poliittismaantieteellinen käsite Saksassa; city outside the core of a metropolitan area; mesto zunaj območja glavnega mesta, ki služi kot motor regionalnega razvoja; grad van jezgra metropolitanskog područja; regio; regiopolis region; regiopolitan area; regio; region regiopolisa; regiopolitansko područje</nowiki>