Croatia is about 1.3 times bigger than Denmark.

Denmark is approximately 43,094 sq km, while Croatia is approximately 56,594 sq km, making Croatia 31% larger than Denmark. Meanwhile, the population of Denmark is ~6.0 million people (2.1 million fewer people live in Croatia).
Tip: This to-scale comparison of Denmark vs. Croatia uses the Mercator projection, which distorts the size of regions near the poles.
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