Name of Mexico of the country is the "United Mexican States" (), since it is a federation of thirty-two states. The official name was first used in the Constitution of 1824, and was retained in the constitutions of 1857 and 1917. Informally, "Mexico" is used along with "Mexican Republic" ("República Mexicana"). On 22 November 2012, outgoing Mexican President Felipe Calderón proposed changing the official name of the country to "México". Anahuac (meaning land surrounded by water) was the name in Nahuatl given to what is now Mexico during Pre-Hispanic times. When the Spanish conquistadors besieged México-Tenochtitlan in 1521, it was almost completely destroyed.
Immigration to Mexico sailors of Extremadura, Andalusia and La Mancha who discovered the Yucatán Peninsula, the shores of the Gulf of Mexico and then made the conquest of what they call the New Spain. Among the soldiers sent by the Spanish crown to the colonial territory were Muslims converts from Córdoba and Granada. At the end of the 16th century, both common and aristocrat people migrated to Mexico and disseminated by its territory. Most recent immigrants came during the Spanish Civil War. Some of the migrants returned to Spain after the civil war, but some of them remained in Mexico. According to the