Greece is about 1.9 times smaller than United Kingdom.

United Kingdom is approximately 243,610 sq km, while Greece is approximately 131,957 sq km, making Greece 54.17% the size of United Kingdom. Meanwhile, the population of United Kingdom is ~67.8 million people (57.3 million fewer people live in Greece).
This to-scale comparison of United Kingdom vs. Greece uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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