庁内

1. Origins, structure, and basic meaning

• Structure: 庁内, read ちょうない, combines government office 庁 with inside 内 to mark the institution's internal scope.
• Basic usage: It marks the physical or organizational interior of a government office, as in 庁内の会議室 or 庁内に通知する.

2. Common pitfalls and similar expressions

• Grammar and combinations
  • It has the administrative scope of spaces or departments belonging to a 庁, not the inside of any ordinary company.