The city known for its iconic "El Paso" and "Sun City" nicknames is El Paso.

El Paso, Texas, is famously known as "The Sun City" due to its sunny climate, with over 300 days of sunshine annually. The nickname "El Paso" comes from the Spanish word for "the pass," referring to the natural passage through the mountains in the region. These nicknames reflect the city's geographic location and climate, making it a recognizable part of southwestern culture.