Country size comparison

compared to

Slovakia is about 2.3 times smaller than Bulgaria.

Bulgaria is approximately 110,879 sq km, while Slovakia is approximately 49,035 sq km, making Slovakia 44.22% the size of Bulgaria. Meanwhile, the population of Bulgaria is ~6.9 million people (1.4 million fewer people live in Slovakia).
Tip: This to-scale comparison of Bulgaria vs. Slovakia uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Slovakia vs. Bulgaria
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Cost of Living Comparison · 7 categories - 2026 data
Bulgaria is 20.9% cheaper than Slovakia overall
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