Nightbox
The Nightbox was a nightclub located in Stardust City on the planet Freecloud.

In 2399, Bjayzl conducted some of her business transactions at this establishment. Later that year, this establishment would witness the murder of Bjayzl by Seven of Nine and a gunfight between Seven and Bjayzl's security personnel. ()

Background information
The nightclub was not named in the episode, but identified in an Instagram post from Michael Chabon. 

Background materials confirm the name, and denote that filming of the Nightbox scenes was completed at the former  bowling alley along the  Hollywood, on 4 and 7 . 
Establishments
Memory Alpha articles named from supplementary resources