Leningrad Oblast Russian Federation  search
BTCommonwealth of Independent States
 .Russian Federation
 ..Leningrad Oblast Russian Federation
BTEurope
 .Leningrad Oblast Russian Federation
NTSaint Petersburg Russian Federation
RTBaltic region
SNOblast, Gulf of Finland. Surrounds Saint Petersburg city which is also an oblast. Before 1993, Leningrad Oblast Russian Republic was also used. This term has multiple hierarchies.