Otompan or Otumba (the Spanish

Spanish language

Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

 version of the name) was a pre-Columbian

Pre-Columbian

The pre-Columbian era incorporates all period subdivisions in the history and prehistory of the Americas before the appearance of significant European influences on the American continents, spanning the time of the original settlement in the Upper Paleolithic period to European colonization during...

 altepetl

Altepetl

The altepetl, in Pre-Columbian and Spanish conquest-era Aztec society, was the local, ethnically based political entity. The word is a combination of the Nahuatl words ā-tl, meaning water, and tepē-tl, meaning mountain....

or city-state

City-state

A city-state is an independent or autonomous entity whose territory consists of a city which is not administered as a part of another local government.-Historical city-states:...

 in the upper Teotihuacan Valley (now in Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

). According to histories written in the colonial period (16th and 17th centuries), Otompan was created around 1395 when Techotlalatzin

Techotlalatzin

Techotlalatzin was the ruler of the pre-Columbian Mesoamerican city-state of Texcoco from 1357 or 1377 until his death in 1409...

, ruler of Texcoco, settled Otomi

Otomi people

The Otomi people . Smaller Otomi populations exist in the states of Puebla, Mexico, Tlaxcala, Michoacán and Guanajuato. The Otomi language belonging to the Oto-Pamean branch of the Oto-Manguean language family is spoken in many different varieties some of which are not mutually intelligible.One of...

 refugee

Refugee

A refugee is a person who outside her country of origin or habitual residence because she has suffered persecution on account of race, religion, nationality, political opinion, or because she is a member of a persecuted 'social group'. Such a person may be referred to as an 'asylum seeker' until...

s there who were fleeing the conquest of Xaltocan

Xaltocan

Xaltocan was a pre-Columbian city-state and island in the Valley of Mexico, located in the center of Lake Xaltocan, part of an interconnected shallow lake system which included Lake Texcoco...

 by the Tepanec

Tepanec

The Tepanecs or Tepaneca are a Mesoamerican people who arrived in the Valley of Mexico in the late 12th or early 13th centuries. The Tepanec were a sister culture of the Aztecs as well as the Acolhua and others—these tribes spoke the Nahuatl language and shared the same general pantheon, with...

s under Tezozomoc.