Planetary Geography Portal

World Geography — Continents, Countries & Capitals

A comprehensive educational guide to Earth's landmasses, oceans, sovereign capitals, and interactive geography learning games.

The Seven Continents of Earth

Key geographic dimensions, population estimates, and highest physical elevations.

🌏49 Countries

Asia

The largest and most populous continent, spanning the Arabian desert, Siberian tundra, and Himalayan peaks.

Area:44,579,000 km²
Population:4.75 Billion
Peak:Mount Everest (8,848m)
🌍54 Countries

Africa

The second-largest continent, featuring the Sahara Desert, Congo Basin rainforest, and Great Rift Valley.

Area:30,370,000 km²
Population:1.43 Billion
Peak:Mount Kilimanjaro (5,895m)
🌍44 Countries

Europe

A peninsula of peninsulas bounded by the Atlantic, Arctic, and Mediterranean, dense with historic capitals.

Area:10,180,000 km²
Population:742 Million
Peak:Mount Elbrus (5,642m)
🌎23 Countries

North America

Extending from the Arctic archipelago to the Isthmus of Panama, encompassing vast plains, lakes, and mountain ranges.

Area:24,709,000 km²
Population:592 Million
Peak:Denali (6,190m)
🌎12 Countries

South America

Home to the world's largest river basin by discharge (Amazon) and the longest continental mountain range (Andes).

Area:17,840,000 km²
Population:434 Million
Peak:Aconcagua (6,961m)
🌏14 Countries

Australia & Oceania

An island continent and thousands of Pacific atolls and archipelagos across Polynesia, Micronesia, and Melanesia.

Area:8,525,989 km²
Population:45 Million
Peak:Puncak Jaya (4,884m)
🧊0 Countries

Antarctica

The southernmost, coldest, driest, and windiest continent, covered by an ice sheet holding 70% of Earth's fresh water.

Area:14,200,000 km²
Population:~1,000 – 5,000 (Research Staff)
Peak:Vinson Massif (4,892m)

The Five World Oceans

Earth's interconnected hydrosphere covering 71% of the planetary surface.

🌊

Pacific Ocean

Area: 165.25M km²
Max Depth: Mariana Trench (10,994m)

Covers over 30% of Earth's surface — larger than all land masses combined.

🌊

Atlantic Ocean

Area: 106.46M km²
Max Depth: Puerto Rico Trench (8,376m)

Separates the Old World from the Americas, containing the Mid-Atlantic Ridge.

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Indian Ocean

Area: 70.56M km²
Max Depth: Java Trench (7,290m)

Bounded by Asia, Africa, and Australia, crucial for global maritime trade corridors.

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Southern Ocean

Area: 20.33M km²
Max Depth: South Sandwich Trench (7,434m)

Encircles Antarctica with the Antarctic Circumpolar Current.

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Arctic Ocean

Area: 14.06M km²
Max Depth: Molloy Deep (5,550m)

The smallest and shallowest ocean, covered by seasonal polar sea ice.

World Capitals & Sovereign Nations

Official government seats and administrative capitals across the globe.

View all countries →
Sharpen Your Knowledge

Interactive Geography Quizzes & Challenges

Master capital cities, national flags, and geographic coordinates with our gamified learning engines.

Play Geography Games →
Related Hubs:World Geography Atlas & RecordsInteractive World MapClickable World Map3D Globe Hub3D Globe Simulator