The Halls of Vaught is in Act 5 of Diablo 2 , and it’s accessed through the Halls of Pain. It’s the final level of Nihlathak’s temple, where you find Nihlathak.

If you meant Vought from The Boys , Vought Tower is shown as being in Manhattan, New York City, with a depicted address of 1777 6th Ave, New York, NY 10019.