How does YouTube tag videos with locations? On the HOW promo, the location is tagged as TWIT.TV BRICKHOUSE STUDIOS. I see others are tagged TWIT. Are these automatic?

How does YouTube tag videos with locations? On the HOW promo, the location is tagged as TWIT.TV BRICKHOUSE STUDIOS. I see others are tagged TWIT. Are these automatic?

So just a manual tag really then? Need one for Lastpass Studios to replace Brickhouse Studios 