Concordia
The municipality of Concordia is located in the southern part of the state, and bounded on the north by the municipality of Mazatlan, on the south by the municipality of Rosario, on the east by the state of Durango, and on the west by the municipality of Mazatlan and the municipality of Rosario. Its head is the city of the same name. According to the 2015 census it had a population of 27,157 inhabitants.