Why go
people living in the region. It is shaped roughly like an oval of about 60 by 40 kilometers, built on the dry bed of Lake Texcoco, and surrounded on three sides by tall mountains and volcanoes such as the Ajusco, the Popocatepetl and the Ixtlacihuatl. Mexico City proper (with an estimated population of between 8 to 9 million).
The full story
as the Federal District, and that is where most tourists will spend the majority of their time when visiting or staying in the city. Mexico City is divided up into 16 delegaciones, similar to the boroughs of New York, which in turn are divided into colonias (neighborhoods), of which there are about 250. Knowing what colonia you're going to is essential to getting around, almost all locals will know where a given colonia is (however, beware that there are some colonias with duplicate or very similar names). As with many very large cities, the structure is relatively decentralized, with several parts of the city having their own miniature downtown areas . However, the real downtown areas are Centro, the old city center, and Zona Rosa, the new business and entertainment district. The city is located 2200 meters above the sea level. Some people not used to high places have experienced difficulty when breathing, however these symptoms fade a few minutes after arrival. Difficulty breathing due to pollution, however, can potentially.