Croatia is about 3 times bigger than New Caledonia.

New Caledonia is approximately 18,575 sq km, while Croatia is approximately 56,594 sq km, making Croatia 205% larger than New Caledonia. Meanwhile, the population of New Caledonia is ~297,160 people (3.9 million more people live in Croatia).
Tip: This to-scale comparison of New Caledonia vs. Croatia uses the Mercator projection, which distorts the size of regions near the poles.
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