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About: Fortified district     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : dbo:PopulatedPlace, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: populated place New Facet based on Instances of this Class

A fortified district or fortified region (Russian: Укреплённый район, Укрепрайон, ukreplyonny raion, ukrepraion) in the military terminology of the Soviet Union, is a territory within which a complex system of defense fortifications was engineered. The concept of ukrepraions was developed during the Russian Civil War, when large territories were to be defended by relatively sparse military force. The first military units named so appeared in 1923.