GS-I (History, Geography, Society)
Mapping (Geography) for UPSC: Complete Topic-wise Notes

Mapping and location-based questions form a crucial part of the UPSC Civil Services Examination, especially in Prelims. Questions often test the candidate’s ability to identify important places, straits, seas, mountains, and regions on the map. A strong command over mapping enhances geographical awareness and improves accuracy in solving objective questions.
This page provides a structured repository of important location-based topics, covering key geographical features across the world for effective UPSC preparation.
Important Straits and Waterways
Straits are narrow passages of water connecting two larger water bodies and hold immense strategic and economic importance.
- Strait of Hormuz
- Bab el-Mandab Strait
- Malacca Strait
- Bering Strait
- Bosphorus and Dardanelles
Important Islands and Coastal Locations
Islands and coastal regions are often in news due to their geopolitical and economic significance.
- Kharg Island
- Andaman and Nicobar Islands
- Lakshadweep Islands
- Greenland
Important Mountains and Volcanoes
Mountains and volcanoes are frequently asked in mapping-based questions, especially those in news.
- Mount Semeru
- Mount Fuji
- Mount Kilimanjaro
- Andes and Rockies
Important Seas, Gulfs and Oceans
Seas and gulfs play a major role in global trade, climate, and geopolitics.
- South China Sea
- Mediterranean Sea
- Red Sea
- Persian Gulf
Important Rivers and Lakes
Major rivers and lakes are commonly asked in UPSC Prelims through map-based questions.
- Major World Rivers
- Important Lakes of the World
Important Passes, Plateaus and Deserts
These landforms are significant for both physical geography and mapping-based questions.
- Important Mountain Passes
- Major Plateaus of the World
- Important Deserts
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