Citadel

Information
Arthurs room has been shown in many of the episodes in the Merlin series's. This is where Prince Arthur sleeps, eats ETC. During the Events of The Goblins Gold, Arthur had a lot of gold coins which the goblin (Trapped in Gaius) stole. He won the money from a competition.

During the events of The Darkest hour, Gwen was seen caring for Uther in what looked like to be Arthurs Chambers.