internal affairs; domestic affairs
Refers to matters within a country or organization, especially in political or administrative contexts. Often used in compound terms like 内務省 (Ministry of Home Affairs).
He is in charge of internal affairs for this department.
The Ministry of Home Affairs is responsible for maintaining domestic security.
彼は会社の内務を一手に引き受けている。
He handles all the company's internal affairs single-handedly.
She has been involved in internal affairs for many years.
内務 covers internal or domestic administrative matters, while 外務 refers to foreign affairs.
Compound of 内 (internal) and 務 (duties, affairs).