Subdivisions of the Soviet Union

The Soviet Union had several kinds of country subdivisions:

Soviet Union
Russian SFSROther republics
Autonomous republicsOblastsKrais
Autonomous republicsOblastsAutonomous oblasts
Autonomous okrugsAutonomous oblasts
Types of the subdivisions:
  Republics with no subdivisions
  Oblasts
  Krais/Districts
  ASSRs (autonomous republics)
  Autonomous oblasts
  Autonomous okrugs
Administrative divisions of the Soviet Union by republic
Republic Autonomous republics Oblasts Krais Autonomous oblasts Autonomous okrugs
Armenian SSR
Azerbaijan SSR 1 1
Byelorussian SSR 6
Estonian SSR
Georgian SSR 2 1
Karelo-Finnish SSR
(1940–1956)
Kazakh SSR 19
Kirghiz SSR 4–7
Latvian SSR
Lithuanian SSR
Moldavian SSR 7
Russian SFSR 16 49 6 5 10
Tajik SSR 2–3 1
Transcaucasian SFSR
(1922–1936)
3
Turkmen SSR 5
Ukrainian SSR 25
Uzbek SSR 1 12