Country size comparison
compared to
Gambia is about 10 times smaller than Eritrea.
Eritrea is approximately 117,600 sq km, while Gambia is approximately 11,300 sq km, making Gambia 9.61% the size of Eritrea. Meanwhile, the population of Eritrea is ~6.2 million people (3.8 million fewer people live in Gambia).
Compare further: Gambia vs. Eritrea