branch; local chapter
Refers to a subdivision of a larger organization, such as a local chapter of a national association or a branch of a company. Often used in formal or organizational contexts.
He serves as the leader of the local chapter.
Branches of the national organization were established in each prefecture.
Compound of 分 (ぶん, 'part, division') and 団 (だん, 'group, organization'). The combination straightforwardly means a divided or branch group.