Mexico City, Mexico – Travel Guide Mexico City is the Federal District and capital of Mexico. The history of Mexico City started in 1521 when the Spanish conquest destroyed the old Aztec city, and today there are some eight million inhabitants living in the capital and more than 20 million in Greater Mexico City. Take a break and book cheap flights to Mexico City with eDreams. Mexico City will surprise and shock you with its striking levels of poverty and pollution, but you will also be captivated by the charm and thrill of this cosmopolitan cultural centre. Despite its bad reputation in terms of safety and corruption, it is renowned as a place of rich cultural heritage. Mexico City invites you to visit some of its treasures in the Centro Histórico with its famous Catedral Metropolitana and Palacio Nacional, ecological parks and archaeological findings of the pre-Colombian civilisation. This city has something to offer everyone from museums and colonial buildings to restaurants, nightlife and bars.