Central America
Mexico. Mexico is larger than any country in Central America.
The largest country between Mexico and South America is Nicaragua. If the region is defined as including Mexico, then Mexico would be the largest.
Either Mexico or Nicaragua, depending on if you include Mexico as part of Central America or not.
Mexico
It is Mexico.
There are seven countries between Mexico and Colombia (actually, Mexico BORDERS Central America):GuatemalaBelizeHondurasNicaraguaEl SalvadorCosta RicaPanama
The country that touches Central America is Mexico, which borders the region to the north. Central America itself consists of seven countries: Belize, Costa Rica, El Salvador, Guatemala, Honduras, Nicaragua, and Panama, all situated between Mexico to the north and Colombia to the south.
North America
Central America and Mexico
mexico
Mexico