Usage patterns
市役所で〈事〉の手続きをするto complete a procedure at city hall
After moving, I completed the address-change procedure at city hall.
市役所に〈物〉を提出するto submit something to city hall
I submitted the marriage registration to city hall.
市役所に問い合わせるto inquire at/with city hall
I inquired with city hall about the detailed procedure.