The modern dialects of Nahuatl spoken in the Valley of Mexico are closest to Classical Nahuatl, which was the tongue of the ancient aztecs. According to sources, is spoken by about 1.5 million people in Mexico. The majority of speakers live in central Mexico, particularly in Puebla, Veracruz, Hildago, San Luis Potosi, Guerrero, Mexico (state), El Distrito Federal, Tlaxcala, Morelos and Oaxaca, and also in El Salvador.