Which city is ranked as the ninth-largest city in Maxico and also the city of The Museum of Steel?
Museum of Steel: The Museum of Steel, known as the "Museo del Acero", is located in the city of Monterrey, Nuevo León, Mexico. Monterrey: Monterrey (] ), is the capital and largest city of the northeastern state of Nuevo León, in Mexico. Monterrey:  The city is anchor to the third-largest metropolitan area in Mexico and is ranked as the ninth-largest city in the nation.
Monterrey, Nuevo León