Sonora
Sonora is a Mexican state, in the northwestern Mexico region. Sonora borders the states of Chihuahua to the east, Sinaloa to the south, and Baja California to the northwest. To the north Sonora accounts for a long stretch of the U.S.-Mexico border adjacent to the U.S. states of Arizona and  New Mexico; to the west it borders the Gulf of California (Sea of Cortez).