This city was divided into four campans, each of which consisted of twenty districts or "capullis." 
This city was divided into four campans, each of which consisted of twenty districts or "capullis." It was built using the chinampa system, and this city defeated the Tepanec Empire along with Tlacopan as part of a tripartite alliance. Its inhabitants engaged in "flower wars" with its neighbors in order to provide captives for human sacrifice, and the Tlaxcala feuded with this city-state. A massacre in this city during the festival of Toxcatl caused an uprising that defeated a force of invaders on La Noche Triste. For 10 points, name this capital city of the Aztec Empire, located on an island in Lake Texcoco and destroyed in 1521 by Hernán Cortés.
This city was divided into four campans, each of which consisted of twenty districts or "capullis.
Tenochtitlan