If you mean Middle America as a geographical term (and not the socio-economic term for middle class America) then really its just a pseudonym for Central America so generally speaking, the countries on the isthmus that lies between the contential U.S. and South America. If you're looking for countries then between the U.S. and Colombia.
Look here for the wikipedia entry and
http://en.wikipedia.org/wiki/Middle_America_(Americas)
Guatemala and Nicaragua.
Belize and Guatemala
Middle America incorporates the Caribbean as well as countries that lie between the United States and Colombia.
Michigan is a state of the United States of America. Both the US and Spain lie on the Atlantic Ocean. There are no other countries in between.
The rocky mountains lie in the middle of the country.
NO. The Golan Heights serve as the border between two Middle Eastern countries: Israel and Syria, but does not lie at the edge of the region.
Right.
Some major countries in the Western Hemisphere include the United States, Canada, Mexico, Brazil, and Argentina. These countries are located in North America and South America.
In South America the four countries that lie on the Tropic of Capricorn are: Chile, Argentina, Paraguay, and Brazil.
United States and Canada
Yes, there are three South American countries that lie on the equator: Colombia, Ecuador, and Brazil.
The Great Lakes lie between the United States of America and Canada.
India
The Atlantic Ocean.