Countries that use the US Dollar as its currency?

3 of the 172 countries in Geo Atlas answer yes to the question “Does the country use the US Dollar as its currency?”. They are spread across 3 continents, mostly Asia (1). The largest is United States (9,833,517 km²) and the smallest East Timor (14,919 km²). The most populous is United States with 331 million people; together these countries are home to about 350 million people. Each country below links to its full geography profile — then try to find them all on the map in a game.