Step 1. File a police report
Visit the nearest police station (交番 koban) or tourist police center and get a written lost-property report before heading to the embassy.
일본에서 여권 분실 시 대처 가이드
일본에서 여권을 분실했을 때 신고, 확인, 재발급 준비까지 필요한 핵심 절차를 정리했습니다.
Step 2. Contact your embassy
Call ahead if possible. Many consular teams will tell you exactly which photos, forms, and flight proof to bring.
Step 3. Prepare airport fallback
If your flight is imminent, check whether your embassy and the airport consular desk can coordinate an emergency document path.
Embassy quick lookup
United States
Akasaka, Minato-ku, Tokyo
03-3224-5000
Bring police report, photos, and any ID copies you still have.
Airport contingency
For imminent departures, confirm whether your airline, embassy, and Narita/Haneda Airport consular help desk can work with an emergency travel document.