A "throne room" refers to a special room or chamber where a king, queen, or ruler sits on a throne. It's a place where important meetings, ceremonies, or events take place, and is often seen as a symbol of power and authority. Full definition
Or, if you prefer, you enter into a giant throne room with a huge figure sitting at the top. (waytoomany.games)
The Temple was the place in which people could enter the heavenly throne room of God to plead their case before Him, and receive blessings from Him. (redeeminggod.com)
The movie didn't really work until it traded the stodgy halls and throne rooms for Jane Foster and company on Earth. (birthmoviesdeath.com)