警察署

1. Origins, structure, and basic meaning

• Structure: Written 警察署 and read けいさつしょ, it is a local police office that handles reports, lost property, investigations, and other district duties.
• Basic usage: It is where a found key is delivered and details of a missing item are reported.

2. Common pitfalls and similar expressions

• Local station rather than police as a whole
  • It identifies a specific district office and building, not the entire police institution.