Sinaloa is a state in northwest Mexico.
It is bordered by the states of Sonora to the north, Chihuahua to the northeast, Durango to the east, and Nayarit to the south. To the west of Sinaloa lies the Pacific Ocean and the Gulf of California, also known as the Sea of Cortez.
Sinaloa is the most important state in Mexico in terms of agriculture, and additionally has one of the largest fishing fleets. Culturally, it known for a style of music known as Banda.