Where was the discotheque owned by the man who helped bring down John Gotti located?
The Plaza Suite: The Plaza Suite was a discothèque owned by Gambino crime family underboss Sammy Gravano in Bensonhurst, Brooklyn, New York City. Sammy Gravano:  He is known as the man who helped bring down John Gotti, the family's boss, by agreeing to testify against him and other mobsters in a deal in which he confessed to involvement in 19 murders.
Bensonhurst, Brooklyn, New York City