Teotihuacan

Lore & Background

Teotihuacan is an ancient Mesoamerican city situated in a sub-valley of the Valley of Mexico, within the State of Mexico and northeast of modern-day Mexico City. The site is renowned for its architecturally significant pyramids, most notably the Pyramid of the Sun and the Pyramid of the Moon, which are among the most monumental structures built in the pre-Columbian Americas. The city covered a substantial area, with 80 to 90 percent of the valley’s total population residing within its bounds. At its zenith, likely during the first half of the first millennium, it was the largest city in the Americas, with a population estimated at around 100,000, potentially ranking it as the sixth-largest city in the world at that time. Beyond its pyramids, Teotihuacan is distinguished by complex, multi-family residential compounds, the broad Avenue of the Dead, and vibrant, well-preserved murals. The city was a major center for obsidian tool production, with fine examples found throughout Mesoamerica. Established around 100 BCE, its major monuments were continuously built until about 250 CE. The city may have endured until the 7th or 8th centuries CE, but its major monuments were sacked and systematically burned around 550 CE, a collapse possibly linked to extreme weather events of 535–536. The site was designated a UNESCO World Heritage Site in 1987 and was the second most-visited archaeological site in Mexico in 2024.

Reader's Guide

Teotihuacan is significant as the largest and most populated center in the pre-Columbian Americas, influencing Mesoamerica through its architecture, obsidian tools, and cultural presence in Veracruz and the Maya region. Its multi-floor apartment compounds and vibrant murals reflect a complex urban society. The ethnicity of its inhabitants is debated, with candidates including Nahuas, Otomi, or Totonac, and evidence of multi-ethnicity from migrants from Oaxaca and the Gulf Coast. The Aztecs later claimed common ancestry with Teotihuacanos, adopting aspects of their culture. Its original name is unknown, but Maya texts refer to it as puh, or 'Place of Reeds,' and a 2018 scholarly suggestion proposes the name may have originally been Teohuacan, meaning 'City of the Sun.'

Did You Know?

• Teotihuacan was not a Mexica (Aztec) city and predates the Aztec Empire by many centuries.
• The name Teōtīhuacān was given by the Aztecs centuries after the city's fall and has been glossed as 'birthplace of the gods.'
• The city exported fine obsidian tools found throughout Mesoamerica.
• At its height, 80 to 90 percent of the total population of the valley resided in Teotihuacan.

A Metropolis Before the Modern World

Teotihuacan stands as one of the most extraordinary urban achievements of the ancient hemisphere. What makes this figure staggering is that 80 to 90 percent of the entire valley's population called Teotihuacan home. The city was not merely a collection of temples; it was a functioning metropolis with multi-floor apartment compounds designed to shelter thousands of families, a grand ceremonial thoroughfare known as the Avenue of the Dead, and walls covered in vivid, well-preserved murals that still speak to daily life and cosmology. Fine obsidian tools crafted in its workshops have been unearthed across Mesoamerica, testifying to a thriving trade network. For centuries, this was the largest and most densely populated center in the pre-Columbian Americas, a fact that underscores just how far ahead of its time the city's planners and builders were.

Pyramids, Influence, and the Aztec Inheritance

The twin monuments that define Teotihuacan's silhouette—the Pyramid of the Sun and the Pyramid of the Moon—remain among the most architecturally significant structures ever raised in the pre-Columbian Americas. Yet the city's reach extended far beyond its own stone. Evidence of Teotihuacano presence has been documented at numerous sites in Veracruz and throughout the Maya region, and the term "Teotihuacano" itself has come to encompass the entire civilization and cultural complex associated with the site. Whether it governed a formal state empire remains debated, but its influence across Mesoamerica is well documented. Centuries after the city's fall, the Mexica (Aztec) people encountered the magnificent ruins and claimed a shared ancestry with the Teotihuacanos, weaving aspects of their culture into their own traditions.

From Village to Ruin — A Timeline in Four Acts

The story of Teotihuacan unfolds across roughly eight centuries. By 200 BCE to 1 BCE, a distinctly urban character began to emerge as local farming communities coalesced. The city's influence and population swelled through the first half of the first millennium. In the power vacuum that followed, more regional polities such as Xochicalco and Tula rose to prominence in central Mexico, and the era of a single dominant metropolis in the Valley of Mexico was over.

Who Were They, and What Did They Call Themselves?

One of Teotihuacan's deepest mysteries is the identity of its people. The original name of the city is lost to history; what we know comes from later sources. The Nahuatl-speaking Aztecs, arriving centuries after the city's fall, gave it the name Teōtīhuacān, glossed as "birthplace of the gods" or, per Nahuatl scholar Thelma D. Sullivan, "place of those who have the road of the gods." In Maya hieroglyphic texts from the Classic period, however, the city appears as puh, meaning "Place of Reeds," a naming convention shared with other large Central Mexican settlements called Tollan. The ethnicity of Teotihuacan's inhabitants remains contested: candidates include the Nahuas, Otomi, and Totonac, while other researchers argue the city was genuinely multi-ethnic, with migrants arriving from Oaxaca, the Gulf Coast, and even Maya and Oto-Pamean cultural spheres. In January 2018, archaeologist Verónica Ortega of Mexico's National Institute of Anthropology and History raised the possibility that Spanish colonizers altered the name in the 16th century, suggesting the city may have actually been called Teohuacan, "City of the Sun," rather than the "City of the Gods" implied by the current form.