Morelos is one of the constituent states of Mexico. Morelos has an area of about 4,941 km², making it one of the country's smallest states.
Morelos is bordered by the states of México to the north and west, Puebla to the east, and Guerrero to the south. In 2003 the estimated popluation was 1,616,900 people.
The capital of Morelos is the city of Cuernavaca. Morelos also contains the cities of Cuautla, Jiutepec, and Temixco, and the Pre-Columbian ruins of Xochicalco.
Morelos was named after José María Morelos, one of the heroes of Mexico's war for independence. Morelos was also the home state of Emiliano Zapata.