What credit cards are most widely accepted in Portugal?

AMEX and VISA yes, yes and yes. Call the credit card company ahead of time and tell them to note on your acount you will be traveling abroad because sometimes they could put a hold on your card when it is used overseas, thinking it may be stolen. Have fun!!

Portugal is part of the Eurozone and uses the euro as its currency (symbol: €). ATMs accepting international cards can be found everywhere, and currency conversion booths spring up wherever there is a steady flow of tourists (although the closer they are to tourist attractions, the worse the rates they offer).

In smaller (non-high-street) shops you can try some haggling, especially if you offer to buy multiple items. You might want to check your change, though: although not a widespread practice, some shopkeepers might "accidentally" overcharge tourists.

Tipping in restaurants is optional - if you are not too happy with the service, don't tip. 10% is a good value tip, although most people would just round up the total bill to the next euro. Keep in mind that whilst tipping, the Portuguese themselves almost always simply leave the coin portion of their change, not considering actual percentages. Waiters are viewed (and paid as) professionals in Portugal. A 'tip' is considered a note of appreciation, not a means to make up for a tiny salary.

Yes credit cards are fairly widely accepted in Japan. RE: credit cards widely accepted in Japan? Do mom and pop restaurants/ramen shops accept credit cards? How about 100 Yen shops or 7-11/grocery stores? I just need to know whether I need to prepare more cash or if I can use credit card mostly...

Visa. But I'd recommend checking that you can use your ATM card at the machines in Europe, then you can just access cash in euros and it's debited to your own account back home. Cheaper than credit cards ...

Visa, Electron, Maestro, Mastercard, all are accepted in Portugal. There's no big problems of that kind in portugal

In all of them!! some small Shops don't accept Visa, but only Visa Electron, Maestro, Amex....don't must of it you won't have any problem!! Take care!!Welcome to Portugal!

All of them.

But check first before you spend something (see at the door, ask the people who work there)

Some shops can accept also US dollars and british pounds ("under the counter", if you know what i mean...)

PS - If i were you, i would go now buy euros, before dollar go down again!

azores, sao miguel

I'd say VISA and MasterCard and American Express are accepted at many places

Wow, thank you! just what I was looking for. I tried looking for the answer on the internet but I couldn't find them.