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| Data sets | Publications | Expeditions | Thesaurus |
Leningrad Oblast Russian Federation  | |
|---|---|
| BT | Commonwealth of Independent States |
| .Russian Federation | |
| ..Leningrad Oblast Russian Federation | |
| BT | Europe |
| .Leningrad Oblast Russian Federation | |
| NT | Saint Petersburg Russian Federation |
| RT | Baltic region |
| SN | Oblast, 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. |