Looking at the current international panorama, we can see that more and more unitary countries are facing the problem of regionalisation or the autonomisation of part of their territories. This factor of state instability has already influenced the territorial organisation of a number of countries and, to a certain extent, is still relevant today. For example, it exists in Italy (an autonomous region with special status in Sicily), Spain (an autonomous community in Catalonia), Ukraine (the territory of Donetsk and Lugansk) and FrKsenia Anisimova is a doctoral student at Moscow State University. She conducts research in the field of public affairs and collaborates with the Institut des Études Politiques de Paris (France), Collège Universitaire Français de Moscou (in partnership with Aix-Marseille University), Yale University (USA) and Freie University (Germany).ance (the region of Alsace). But is it only unitary states that face the problem of unstable territorial and administrative organisation?