Same venue for GJ and trial.
Federal Rules of Criminal Procedure ... TITLE V (VENUE), Rule 18 (Place of Prosecution and Trial)
See the notes below the main rule:
All prosecutions for crimes or offenses shall be had within the division of such districts where the same were committed, unless the court, or the judge thereof, upon the application of the defendant, shall order the cause to be transferred for prosecution to another division of the district. The word "prosecutions," as used in this statute, does not include the finding and return of an indictment.