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Subject
- Boundaries[remove]259
- Administrative and political divisions167
- Counties37
- Countries13
- Oceans11
- Roads10
- Boundary disputes8
- Coasts8
- Islands7
- States7
- Provinces6
- Environment4
- International Date Line4
- Transportation4
- Disputed boundaries3
- Economic zones (Law of the sea)3
- Equator3
- Maritime boundaries3
- Planning and Cadastral3
- Polar regions3