noun
Used for the principal office of an organization, often in contrast to branch offices. Similar to 本店 but more general.
See also: 本店
本所は東京にあります。
The main office is in Tokyo.
noun
Refers to the office where the speaker or writer is currently located, or the office being discussed in context. Often used in formal or business settings.
本所では、お客様のご来訪をお待ちしております。
We are looking forward to your visit at this office.