The smallest country in the world is Vatican City, with a landmass of just 0.49 square kilometers (0.19 square miles). Vatican City is an independent state surrounded by Rome. Vatican City is not the only small country located in Italy. San Marino is another microstate, with a land area of 60 square kilometers, making it the fifth smallest country in the world. Many of these small nations have equally small populations, typically less than half a million inhabitants.

Source: Statista