Largest city in Mexico?
Mexico city is arguably the largest city in the world. The city proper according to the last census was 8 million and including the suburbs (another 10 million) for a total of18 million. Monterrey and Guadalajara come in as second and third. Now you are a wee bit smarter. Check out wikipedia.com and you will have the worlds largest library at you finger tips. You will get some very insulting answers on this site.