Germany in summer is an outdoor city: Berlin's lake beaches and biergartens, Munich's Englischer Garten and the river surfers, the open-air markets and festival weekends. A city break here leans on live maps, transit apps and a translation app in your pocket. Whether you need to buy data for it comes down to where you're travelling from.
EU traveller? You might already be covered
Germany is in the EU. On an EU or EEA plan, "roam like at home" means your data works in Berlin, Munich and everywhere between at your home rates — nothing to set up.
You'll want a travel eSIM if any of these apply:
- You're coming from outside the EU — the UK, Switzerland, the US, further afield.
- Your home plan has a roaming cap you'd blow through in a few days.
- You want a clean, separate data line and don't want to touch your main plan.
If so, install a Germany eSIM on home Wi-Fi before you fly and switch it on when you land.
What you'll actually use data for
- Maps and the U-Bahn / S-Bahn — plus the DB Navigator app for regional trains.
- Transit tickets and ride-hailing across sprawling city centres.
- Timed tickets for museums and the big summer sights.
- Translation, restaurant bookings and messaging from the biergarten.
Two to three gigabytes comfortably covers a three- or four-day city break.
Tip: Germany's public transport apps and e-tickets are the one thing you'll open constantly — buy and save your day tickets in the app on Wi-Fi, so a patchy platform never leaves you fumbling at the barrier.
If Germany is one stop on a bigger trip
Germany is the hub of the classic diaspora road trip south, and the start of many multi-country European routes. If you're driving toward the Balkans, the whole route — and where free EU roaming quietly stops — is mapped in The Germany–Kosovo summer drive: data on the road. For another Central European city break there's A weekend in Vienna: staying online in Austria, and for when a single regional plan beats country-by-country, see One eSIM for a multi-country Europe trip.
Off to Germany this summer? Grab a Germany eSIM before you go and let the city, not the settings menu, hold your attention.