GeoOracle #103: Bangkok
24 September 2026 · City · Difficulty 2 of 5
How it opened
I stand where ancient waters wind through a delta, a city born from the river's embrace in the age of kings.
The five clues
- 01Where the Chao Phraya whispers secrets through a metropolis that grew too grand for its rivals to see.
- 02In central Thailand's delta, I sprawl across 1,568.7 square kilometres as the nation's beating heart.
- 03Founded in 1782, I rose to become the capital of the Kingdom of Thailand, a young city with ancient roots.
- 04My metropolitan region swallows 17.4 million souls, making me a megacity that dwarfs every other Thai urban centre.
- 05With 9.1 million residents within my bounds as of 2024, I am the most populous city in my country, occupying 15.9% of its entire population.
The answer
Bangkok
Thailand · Asia
About this place
This megacity sprawls across the Chao Phraya River delta in central Thailand, a place where water and civilization intertwine. Founded in 1782, it transformed from a strategic settlement into an extreme primate city, leaving all other Thai urban centres in its shadow. Today it hosts over 9 million people within its core, with the metropolitan region swelling to 17.4 million—a colossus of Southeast Asian importance.
Geography
Bangkok lies in the Chao Phraya River delta in central Thailand, on the Asian mainland. The city spreads across roughly 1,568.7 square kilometres of low-lying, river-shaped terrain typical of the delta region. This setting has closely tied Bangkok to the waterways running through it, shaping its layout and character since its earliest days as a riverside settlement.
History
Bangkok was founded in 1782 as the new seat of the Thai kingdom. From a modest riverside settlement it grew steadily into the political and economic heart of the country. Its position along the Chao Phraya helped it draw population, trade and activity from across Thailand, allowing it to rise into the nation's dominant urban centre over time.
Notable features
Bangkok is Thailand's most populous city, with roughly 5.7 million residents within its own boundaries. Far more people live across the surrounding metropolitan region, making Bangkok a megacity and an extreme primate city that dwarfs every other Thai urban centre in scale and economic weight. It stands as the unrivalled hub of the country's national life.
Fact sheet
- Country
- Thailand
- Continent
- Asia
- Coordinates
- 13.750, 100.517
- Population
- 5,676,648
- Founded
- 1782
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