BY LAND AREA:
Largest - United States
Smallest - St. Kitts and Nevis
Do not get land area and total area confused. If counting by total area, the largest would not be the US but rather Canada. The smallest would, however, remain the same.
The smallest country in land area in Central America is El Salvador. The largest country in land area in Central America is Nicaragua.
mongolia
Guatemala has the largest population in Central America
smallest: El Salvador largest: honduras
San Salvador is the capital and largest city of El Salvador, a country in Central America.
El Salvador is the smallest while Nicaragua is the largest.
mexico and columbia
Nicaragua has the largest land area in Central America.
San Salvador is the capital and largest city of El Salvador.
Nicaragua is the Central American country that contains the largest body of fresh water in Central America.
Either Mexico or Nicaragua, depending on if you include Mexico as part of Central America or not.
Tegucigalpa is the capital and largest city of Honduras, a country in Central America.