mexico city is not in a federal republic
mexico city  or the city of mexico lrb ciudad de mxico  lsb sjua e mexiko rsb  abbreviated as  cdmx  rrb  is the capital and most populous city of mexico
mexico lrb mxico  lsb mexiko rsb  modern nahuatl rrb  officially the united mexican states lrb lsb estados unidos mexicanos  links  no rsb  rrb  is a federal republic in the southern portion of north america