Portugal is about 4.5 times bigger than Slovenia.

Slovenia is approximately 20,273 sq km, while Portugal is approximately 92,090 sq km, making Portugal 354% larger than Slovenia. Meanwhile, the population of Slovenia is ~2.1 million people (8.1 million more people live in Portugal).
This to-scale comparison of Slovenia vs. Portugal uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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