Complex sentence: The Mexican community has been primarily established in Guatemala City, Huehuetenango, Antigua Guatemala and Guatemalan border towns with Mexico also becoming the fourth foreign community in the country, after the Germans, Koreans and Salvadorans.
Split into simpler sentences: The Mexican community has been primarily established in Guatemala City, Huehuetenango, Antigua Guatemala and Guatemalan border towns. Mexicans are the fourth-largest foreign community in the country, after the Germans, Koreans and Salvadorans.