The article considers the concept of geography in the context of integrity of its natural -ecological and socio-economic elements. The change of the postulates of classical geography on the basis of new (non-linear) thinking and the perception of the new picture of the world and its cognition by means of a new interdisciplinary language is proven to be necessary.

This article is dedicated to territorial administration. The author defines its object and agent, outlines the hierarchical structure, and determines the key problem sets in the system of territorial administration.

The article considers different directions in national and international regional studies. The author analyses the notion of region in the framework of system approach.

The author analyses the theoretical aspects of international (transnational and cross-border) region notion and considers their peculiarities and hierarchy through the example of the Baltic region.

The article analyses the concept of 'special' socio-economic regions, i. e. those characterised by a special position in their relation to the political, economic and legal spaces of the home country and (or) neighbouring countries and, in some cases, by a special geographic position. The author offers two typologies of 'special' regions.