1) 15 Union republics, SSRs, ethnic group, RSFSR
2) ASSRs, oblasts (regions), krays (territories), same level,
a) ASSR
boundaries -ethnic minorities (Soviet of
Nationalities)
b) oblast, no
significant minority other than itiular group,
functional economic region
c) kray - more arbitrary, econ-admin
considerations, + 1 or more minor political sub-divisions based on ethnic or national
groups
1) A.O.
autonomous oblast
2) A.Okr.
Autonomous okrug (district)
3) rayon