Smelico is right, but just to add a little more to that if it doesn't work:
Please note that to go abroad generally, a premium subscription is required for any longer than 14 days (On free, it will stop working until you go back to your normal country).
If you have an unlimited/premium subscription, you can go abroad for as long as you like.
At that point, if you have a subscription, please note the country in your account must match the country of your card. But if you have a subscription that doesn't matter as you can go wherever you want for as long as you like.
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