Casillas is a city in the Guatemala

Guatemala

Guatemala is a country in Central America bordered by Mexico to the north and west, the Pacific Ocean to the southwest, Belize to the northeast, the Caribbean to the east, and Honduras and El Salvador to the southeast...

n department

Departments of Guatemala

||Guatemala is divided into 22 departments :#Alta Verapaz#Baja Verapaz#Chimaltenango#Chiquimula#Petén#El Progreso#El Quiché#Escuintla#Guatemala#Huehuetenango#Izabal#Jalapa#Jutiapa#Quetzaltenango#Retalhuleu#Sacatepéquez...

 of
Santa Rosa. It serves as the municipal seat for the surrounding municipality

Municipality

A municipality is essentially an urban administrative division having corporate status and usually powers of self-government. It can also be used to mean the governing body of a municipality. A municipality is a general-purpose administrative subdivision, as opposed to a special-purpose district...

 of the same name.
The city's population is approximately 6,500 and the spoken language is Spanish

Spanish language

Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

.

Nearby villages include El Jute, Minas, Guadalupe, Chapas, San Juan Tapalapa, El Palmar. The nearest town is Nueva Santa Rosa.

The population is mainly Roman Catholic and the city's festivities to honor the "Cristo Negro" take place from January 12 to January 16. The fair consists of many events, including dances, a rodeo, and carnival rides.