This is a nice find that I am cataloging from Shay Levy.
You can get the site location of a computer if you run this PS script on the computer itself.
It’s effectively the same as using NLTEST.
I had intended to use it with Compliance Settings but the compliance rules limitations made it a impractical. Still going to be useful for other stuff. If you want remote options, read more about it at the original post: #PSTip Get the AD site name of a computer.