| Total area | No authoritative open source found |
| Exclusive economic zone (EEZ) | No authoritative open source found |
| Administrative divisions (ADM1) | No authoritative open source found |
| Location | island in the South Atlantic Ocean, southwest of the Cape of Good Hope (South Africa)CIA World Factbook [2025] · 2026 archive |
| Coastline | 29.6 kmCIA World Factbook [2025] · 2026 archive |
| Land boundaries | 0 kmCIA World Factbook [2025] · 2026 archive |
| Bordering countries | No authoritative open source found |
| Terrain | volcanic; coast is mostly inaccessibleCIA World Factbook [2025] · 2026 archive |
| Climate | antarcticCIA World Factbook [2025] · 2026 archive |
| Natural resources | No authoritative open source found |
| Highest point | Olavtoppen (Olav Peak) 780 mCIA World Factbook [2025] · 2026 archive |
| Lowest point | South Atlantic Ocean 0 mCIA World Factbook [2025] · 2026 archive |
| Mean elevation | No authoritative open source found |
| Area (comparative) | about 0.3 times the size of Washington, D.C.CIA World Factbook [2025] · 2026 archive |
| Natural hazards | occasional volcanism, rock slides; harsh climate, surrounded by pack ice in winterCIA World Factbook [2025] · 2026 archive |
| Maritime claims | territorial sea: 4 nmCIA World Factbook [2025] · 2026 archive |