1. Pueblo: This city is named after the Spanish word for "people" or "town."
2. San Luis: Named after Saint Louis, this is the oldest town in Colorado.
3. Alamosa: Derived from the Spanish word "álamo," meaning "cottonwood," referring to the abundance of cottonwood trees in the area.
4. Trinidad: Meaning "Trinity" in Spanish, it was named after the Holy Trinity.
5. Monte Vista: This city is named after the Spanish words "monte" (mountain) and "vista" (view), describing its location with views of the San Juan Mountains.