Source Library lists the official and primary sources Before Korea uses for update-sensitive topics such as entry, airport transfer, tax refund, transport, maps, translation, safety, and shopping rules.
Core official sources
- VISITKOREA official tourism portal
- Korea e-Arrival Card official site
- K-ETA official site
- Korean Embassy notice on K-ETA temporary exemption
- Incheon Airport official site
- Seoul Metropolitan Government: Getting to Seoul from Incheon Airport
- Visit Seoul practical information
- Korea Meteorological Administration
Shopping and tax refund
Apps and language
- NAVER official press release on NAVER Map guide for foreign visitors
- NAVER Papago official site
- Kakao T app listing
- k.ride by Kakao Mobility
- Korea Tourism food translation reference
How sources are used
- Official sources are preferred for rules, eligibility, transport, airport, tax, and safety details.
- Primary service sources are preferred for app names, app support, and service-positioning claims.
- Before Korea avoids pretending to have personally tested products, apps, or places unless that is true.
- When a fact can change, guides remind readers to re-check close to their trip.
Last updated: May 23, 2026.