Ground floor, main door.
It's stage left. Once you walk into the main Ballroom of the Regency, the Ada section is on the right side. It is not elevated and it's on the main Ballroom floor.
When I was there it was up in the front by the left side of the stage, but that could change per show
Yes they are
There is a cordoned area on the ground floor
I've seen them set up a space on the ground floor.
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