chancellery

or chan·cel·lor·y

1. The rank or position of a chancellor.
2. a. The office or department of a chancellor.
   b. The building in which such an office or department is located.
3. The official place of business of an embassy or consulate.

Origin:

Origin: Middle English chancelrie

Origin: , from Old French chancelerie

Origin: , from chancelier, chancellor; see Chancellor