Example address
〒POST OFFICE POSTCODE
POST OFFICE ADDRESS
POST OFFICE NAME郵便局留
Camille DUPONT 様
JAPAN
Greyed out: replace with your own details. Write the rest exactly as shown.
郵便局留め (yūbinkyoku-dome) · Japan Post
In short. Japan: poste restante is called “郵便局留め (yūbinkyoku-dome)” and is run by Japan Post. A letter is held: 10 days. Cost: Free. ID document: required.
〒POST OFFICE POSTCODE
POST OFFICE ADDRESS
POST OFFICE NAME郵便局留
Camille DUPONT 様
JAPAN
Greyed out: replace with your own details. Write the rest exactly as shown.
No registration and no pickup fee.
The holding period, the cost and the address format are confirmed by an official page.
Source: Japan Post ↗