Nuevo León is a state located in northeastern Mexico. It borders the states of Tamaulipas to the north and east, Zacatecas and San Luis Potosí to the south, and Coahuila to the west. To the north, Nuevo León accounts for a 15 km (9 mi) stretch of the U.S.-Mexico border adjacent to the U.S. state of Texas.
This Nuevo León incorporates most of the OTL borders of the state, plus most or all of Tamaulipas and much of Coahuila. Note that this Nuevo León has a substantial coastline, whereas the OTL version is landlocked.