Monterrey, Mexico: Major Metropolis (5M+ Metro), Industrial Capital

Monterrey anchors a 5M+ metro area (3rd in Mexico after CDMX and Guadalajara). Capital of Nuevo León, it’s a business/financial hub with global firms, modern skyline, and diversified industry—earning nicknames "Sultan City of the North" and "Industrial Capital of Mexico." Faces urban sprawl and congestion challenges amid rapid growth.