Embassy
Embassy of Japan, Lisbon
Lisbon
Japanese citizens do not need a visa for Portugal. Show your passport at the border and stay up to 90 days.

JPN
Japan
PRT
Portugal
No visa needed
People with eligible passports can visit without applying for a short-stay visa.
Check your passport is valid for the whole stay, ideally six months beyond it.
Carry proof of onward travel and of funds; border officers can ask for both.
Note the maximum stay and count your days in Portugal.
Visit visa-free if eligible, or apply for a short-stay visa.
How to apply
Documents required
How to apply
Documents required
How to apply
Documents required
How to apply
For lost passports and emergencies.
Embassy
Lisbon
Day-by-day itineraries by snuck, shaped around you.
Best time to go: Spring and summer are usually sunny. July and August can be very hot inland, while autumn and winter are often rainy and windy.

Portugal is a republic on the western edge of Iberia, with two archipelagos in the Atlantic.
Going to Portugal
Places close to Portugal with simpler entry for you.
Japanese citizens do not need a visa for Portugal. Show your passport at the border and stay up to 90 days.
Up to 90 days each visit with the no visa needed rule. Staying longer can mean a fine or a ban from coming back.
Portuguese citizens do not need a visa for Japan. Show your passport at the border and stay up to 90 days.
Brunei, Georgia, Hong Kong, Israel Macau, and 5 more can enter without applying before they travel.
Andorra, Cyprus, Greece, Italy Malta, and 3 more let japanese citizens in without applying before travel.
Check your passport is valid for the whole stay, ideally six months beyond it. Carry proof of onward travel and of funds; border officers can ask for both.
Euro (€). Carry some cash for arrival, especially if a visa fee is paid at the border.
Portuguese.
It ranks #3 and reaches 159 destinations without applying ahead.
Reviewed by @snuck