请问"分中心"如何准确翻译为英文

分支机构:
1. embranchment
2. branch establishment
3. affiliated agencies
4. branch
5. branch offices

Examples:
1. 分支机构的经理在其管辖范围内有充分的自主权.
Branch managers have full autonomy in their own areas.
2. 高级市政官1974年以前英格兰和爱尔兰市政或市区议会较高分支机构的成员
A member of the higher branch of the municipal or borough council in England and Ireland before1974.
3. 这家银行把分支机构扩大到了纽约。
The bank branched out to New York.