Mobile data abroad (eSIM)
An eSIM gives your phone data in another country without a local SIM card. Choose where you are going: you see the sites people where you live buy one on, each on its page for that country where it has one.
Where you live is a guess from your time zone. Change it above if it is wrong.
Each site opens on its own search: choose your dates there. A few open on their home page, where you type the place too.
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Your own plan's EU roaming may already cover this.
Renting a pocket Wi-Fi is the other common way to stay connected.
That is where you live: your own phone plan covers it, so there is nothing to buy.
These are sites people in book with. Each opens in a new tab, on the site's own pages. Some pay us a commission if you book, at no extra cost to you; most pay nothing, and what a site pays never decides whether it is listed or where.