Iran is about 15 times bigger than Bulgaria.

Bulgaria is approximately 110,879 sq km, while Iran is approximately 1,648,195 sq km, making Iran 1,386% larger than Bulgaria. Meanwhile, the population of Bulgaria is ~6.9 million people (79.9 million more people live in Iran).
This to-scale comparison of Bulgaria vs. Iran uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

Share this