presence chamber

the special room in which a great personage, as a sovereign, receives guests, holds audiences, etc.

Origin of presence chamber

First recorded in 1555–65

But the stranger declined the civility, and walked boldly into the presence-chamber of the sublime podesta.

The Mirror of Literature, Amusement, and Instruction, Vol. 12, Issue 340, Supplementary Number (1828) |Various
A motto more suited to the presence-chamber of Byzantium than the camp-fires of a Gothic King.

The Letters of Cassiodorus |Cassiodorus (AKA Magnus Aurelius Cassiodorus Senator)
The presence-chamber was hung with Gobelin tapestry, its floor strewn with rushes.

History of the United Netherlands, 1584-86, Vol. I. (of IV) Complete |John Lothrop Motley
Here Selby came hastily from the other room, to say, that his Grace of Buckingham had just entered the presence-chamber.

Peveril of the Peak |Sir Walter Scott

To the astonishment of Alroy, this presence-chamber appeared at this moment to blaze with light.

Alroy |Benjamin Disraeli

presence chamber

the room in which a great person, such as a monarch, receives guests, assemblies, etc