The room is called a Sacristy.
This room is called the Vestry or Sacristry.vestry: a room in a church where sacred vessels and vestments are kept or meetings are held.or it is called a sanctuary.
The area where the congregation sits in a church is called the pews.
It's typically called an armory.That is the Arms Room or Armory.
A clergyman's robing room is typically called a vestry or sacristy. It is a designated space where clergy members can prepare for religious services by donning their ceremonial garments and vestments.
Chapel, church, temple.
pantry or kitchen
A pantry
That would be Church, and the room we all worship in is called the Sanctuary.
GRANGE
A sacred place to worship God is a church, mosque, temple, shrine, or any other place where religious ceremonies and prayers are conducted as acts of devotion and reverence towards a higher power. These places often hold special significance for religious communities and serve as locations for communal worship and spiritual connection.
The room is called the Confessional.