They say people in the territory, situated on the banks of the river Rio Grande, and linguistic groups spoken by tribe subtiaba-tlappanek, distributed in four areas: two of them are located in Guerrero and one in El Salvador and Nicaragua. The third, atabasksoy language family includes languages and dialects of tribes the Apaches living in Chihuahua and Koauile. If we talk about the second group – a group of middle-American languages, it includes fifteen linguistic families. This is a “dead” languages hanambre and olives, which were distributed in Tamaulipas and vaikuri that were used in the south of Baja California. The remaining language family – it’s tavern (south-east of Guatemala), carrying (in Michigan), Totonac (Veracruz coast, in Pueblo, in Hidalgo), share (in Honduras), otomiyskaya family of languages (it is composed of three groups: Otomi – common in much of central Mexico, the Mazatec – Puebla, Guerrero, Oaxaca, and the group chiapanek-manga – used Chyapse and 3 regions of Nicaragua and Costa Rica). We examined five families. The following 7 families – is Mixtec-Zapotec, which some scientists consider a separate unit, consisting of 4 independent linguistic families: Mixtec, amusgo, Zapotec and kuikatek common in some areas of Puebla, Guerrero and Oaxaca; target-juice-uave distributed in four widely separated areas; target-juice used in Veracruz, Tabasco, Oaxaca, Chiapas; tapachultek – south-western part of Chiapas – the “dead” language, was uguakatek distributed in Guatemala – “dead” language; uave used in Oaxaca; family Miskito-Sumo-matagalma consists of 3 language groups: sumo ulupa, distributed in eastern Nicaragua and southern Honduras, the Miskito – on the coast Nicaragua and the coast of Honduras, Nicaragua, Matagalpa and used in a small area in El Salvador; chinantek – the family, the languages that are prevalent in the West and in Oaxaca Veracruz, Lenca family prevalent in El Salvador and Honduras; hikake – in northern Honduras, Mayan language family widely distributed in Yucatan and neighboring southern states of Mexico, in Guatemala, British Honduras, as well as in some areas in the north-eastern coast of Mexico.