Where is South Valley New Mexico? What County is South Valley in

South Valley is a census-designated place (CDP) in Bernalillo County, New Mexico, United States. As of the 2010 Census it had a population of 40,976 and a population density of 526.08 persons per km2.

What is considered the South Valley in Albuquerque?
What is considered the South Valley?
Is Albuquerque in a valley?
What state is to the south of New Mexico?