Teotihuacan (; Spanish: Teotihuacán, Spanish pronunciation: [teotiwaˈkan] ; Classical Nahuatl: Teōtīhuacān, Classical Nahuatl pronunciation: [te.oːtiːˈwakaːn] ) is an ancient Mesoamerican city located in a sub-valley of the Valley of Mexico, which is located in the State of Mexico, 40 kilometers (25 mi) northeast of modern-day Mexico Ci...