City size comparison

compared to

Istanbul is about 10 times bigger than Budapest.

Budapest is approximately 525 sq km, while Istanbul is approximately 5,343 sq km, making Istanbul 917% larger than Budapest.
Tip: This to-scale comparison of Budapest vs. Istanbul uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Istanbul vs. Budapest

Flip Comparison · See true size
See Istanbul on top of Budapest
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Cost of Living Comparison · 7 categories - 2026 data
Budapest is 5.1% more expensive than Istanbul
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