Okrugs_of_the_Ukrainian_SSR
Okrugs of the Ukrainian Soviet Socialist Republic
Ukrainian SSR's administrative entity
An okrug (Russian: округ) or okruha (Ukrainian: округа) is one of a series of special administrative divisions of the Ukrainian Soviet Socialist Republic that were part of three oblasts and existed from 1933 to 1937 (some to 1938). Most of them were border administrative units that existed along the western border of the Soviet Union.