Sonoyta, Sonora, is a town in the northern Mexican state of Sonora. It stands on the U.S.-Mexico border, facing Lukeville, Arizona, in the United States. It is the municipal seat of the municipality of Plutarco Elías Calles.

Sonora, officially Estado Libre y Soberano de Sonora, is one of the 31 states which, along with Mexico City, comprise the Federal Entities of Mexico. The state is divided into 72 municipalities; the capital city of which being Hermosillo, located in the center of the state. Other large cities include Ciudad Obregón, Nogales, San Luis Río Colorado, and Navojoa.