Czech Republic is about 3,756 times bigger than Nauru.

Nauru is approximately 21 sq km, while Czech Republic is approximately 78,867 sq km, making Czech Republic 375,457% larger than Nauru. Meanwhile, the population of Nauru is ~9,811 people (10.7 million more people live in Czech Republic).
Tip: This to-scale comparison of Nauru vs. Czech Republic uses the Mercator projection, which distorts the size of regions near the poles.
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