ward office; ward council office
The administrative office of a city ward (区). Handles resident services such as registration, taxes, and certificates.
I moved, so I went to the ward office to submit a moving-in notification.
You can get a certificate of residence at the ward office.
I went to the ward office to get a residence certificate.
I completed the moving-related paperwork at the ward office.
I submitted the birth notification to the ward office.
A notice arrived from the ward office.