mexico
To the south.
It is to the north-east of Mexico City.
It is in the south-center of Mexico. See the related links for such location in a Map.
No. Such is an example of relative location.
The relative location for Michigan is in the Central-Northwest region of North America. It is a state that borders Canada by its water, and it's encrusted in the Great Lakes area.
Relative location must be expressed relative to something else. For example, Chicago is located on the west side of Lake Michigan.
The state of Guerrero is located in southern Mexico, having shores along the Pacific Ocean.
The simple answer is north, but the more precise answer is: it depends where in Mexico you are. If you are in Tijuana, it is east. If you are in Cancun, it is north-west.
Belize borders Guatemala to the North East and Mexico to the South East.
If you are asking about the city in Michigan, its relative location is 42 degrees 14 minutes 34 seconds North latitude, and 83 degrees 37 minutes 6 seconds West longitude.
The relative location for New Orleans is Dallas, because you can find it in the Texas area the same way for New Orleans.