| The Diogenes Club |
Location in Sherlock Holmes
|Position||Public building with courtyard|
|Appearances||Sherlock Holmes (Granada)|
In the Granada Television adaptation of the Canon, the Diogenes Club is a gentleman's club with strict membership regulations, located in late 19th century London. It is regularly frequented by Sherlock Holmes' older brother Mycroft Holmes, a long-time member of this establishment.