The world's quietest room is located in Minneapolis, United States. It's used for research, so I'm not sure if it's open to the public.
That's nice question, The quietest room in the world is your mind when you are sleeping or while you take rest.
Blueprint for Green - 2007 The World's Quietest Room 1-15 was released on: USA: 2007
In worlds with the activity "Party Room". Most of the people in the Party Room are in member worlds because more rare items are for members. UPDATE: Now, the party room can only be used on the worlds with that title, 1 members and 1 non-members.
When you search for their name it will say 'visit room'.
there is none
room me figthe e room pok new eqw
in the third room upstairs
In the throne room in the castle in swordhaven
In Yulgar On The Second Floor XD
it is the press room
It is a doctor's surgery.
State Dining Room Red Room Blue Room Green Room East Room Library Vermeil Room China Room Diplomatic Reception Room