A local residents' association or neighborhood council — an organization run by residents to manage local events, communal areas, and community affairs.
昨日、自治会の会合が公民館で開かれた。
There was a neighborhood association meeting at the community center yesterday.
夏祭りは自治会が中心になって準備している。
The summer festival is being organized mainly by the neighborhood association.
マンションの自治会費は毎月集金されることが多い。
Condominium association fees are often collected monthly.
A student-run council or self-governing student association that represents students and organizes activities at schools or universities.
大学の自治会に参加して、学園祭の運営を手伝った。
I joined the university student council and helped run the school festival.
学生自治会が学食の改善を学校に要望した。
The student council requested improvements to the cafeteria from the school.
新入生は自治会の選挙について説明を受けた。
New students received an explanation about the student council elections.