English English Wikipedia has an article on:San Carlos de BarilocheWikipedia Etymology Borrowed from Spanish San Carlos de Bariloche. Proper noun San Carlos de Bariloche A city in Bariloche department, Río Negro province, Argentina. Spanish Proper noun San Carlos de Bariloche ? San Carlos de Bariloche (a city in Bariloche department, Río Negro province, Argentina). Synonym: (more commonly) Bariloche Further reading San Carlos de Bariloche on the Spanish Wikipedia.Wikipedia esWikiwand - on Seamless Wikipedia browsing. On steroids.