eSIM and data
For: every passport
eSIM for Japan (and Korea): what to check before you buy
eSIM for Japan: check your phone is unlocked, data-only or a Japanese number, Japan's device rules, pocket Wi-Fi vs eSIM, and Japan plus Korea trips.
Destination
South Korea travel guides
Who needs a K-ETA or a visa for South Korea, how the free e-Arrival card works, and staying connected on a trip that combines Korea and Japan.
Before you start
- Check your passport's expiry date. Many countries ask for a passport that stays valid for some months after your trip. Check the rule on the official site for your destination. Our visa guides link to the official sites.
- Passport and residence do different jobs. Your passport decides whether you need a visa. Where you live can decide where and how you apply. Passport vs residence, explained
- Use official sites. Every guide links to the government or official portal. Look-alike sites can charge extra fees. Visas and official sources
For every passport
Visas and entry
For: every passport
K-ETA for South Korea in 2026: the temporary exemption, e-Arrival card and who needs a visa
No K-ETA needed for US citizens and 21 other countries and regions until 31 December 2026. Official KRW 10,000 fee, 3-year validity, e-Arrival card, visa rules.