Ciro's (London)
City of Westminster, United Kingdom
Ciro's, often written Ciros, was an exclusive nightclub in Orange Street, Leicester Square, London, "just behind the National Gallery". It was famously closed during WWI for serving alcohol illegally. A fashionable club of the same name later opened at the same location.
Venue data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).