Va. Code Ann. § 17.1-515.7

When it appears to one or more of the judges of the twenty-fifth judicial circuit that such use is appropriate, the courthouse of the Circuit Court of Rockbridge County may be used for the trial of civil or criminal cases when venue is laid in the City of Buena Vista or the courthouse of the Circuit Court of the City of Buena Vista may be used for the trial of civil or criminal cases when venue is laid in Rockbridge County. However, jurors summoned to appear in any such courtroom shall reside in the jurisdiction where the venue is laid.