Quetzaltenango is a department in the western highlands of Guatemala. The capital is the city of Quetzaltenango, the second largest city in Guatemala. The department is divided up into 24 municipalities. The inhabitants include Spanish-speaking Ladinos and the K'iche' and Mam Maya groups, both with their own Maya language. The department consists of mountainous terrain, with its principal river being the Samalá River. the department is seismically active, suffering from both earthquakes and volcanic activity.