A Turkish summer often comes in two halves: a few days in Istanbul — the Bosphorus, the Blue Mosque, the ferries crossing between two continents — and then the coast, whether that's Bodrum, Fethiye, Antalya or a gület cruise along the turquoise water. Wherever you go, one thing is true everywhere: Turkey sits outside the EU's "roam like at home" zone, so there's no free roaming to fall back on. A European plan that costs nothing across the EU can rack up real charges the moment it connects to a Turkish network.
That makes a travel eSIM the simple, predictable choice. Set it up before you fly and you land already online.
Why every visitor needs to sort data here
Unlike an EU-to-EU trip, there's no "you might already be covered" caveat for Turkey. Whether you're coming from Germany, the UK, the Balkans or anywhere else, roaming here is billed as an add-on or per-megabyte — and the coast, where you'll lean on maps and translation most, is exactly where a surprise bill hurts. Install a Turkey eSIM on home Wi-Fi before you travel, switch it on when you land, and keep your home SIM for calls and verification texts only.
What you'll actually use data for
- Maps and taxis — plus the ride-hailing apps — around Istanbul's sprawling old city and the coastal resorts.
- City and island ferries, from the Bosphorus crossings to the boats out of Bodrum and Fethiye.
- Translation for menus, bazaars and bus timetables.
- Bookings and messaging for hammams, boat trips and the family chat back home.
For a one- to two-week trip, 5–10 GB comfortably covers maps, messaging, photos and daily video calls; go higher if you're sharing a hotspot.
Tip: Keep your home line active for SMS even while the eSIM handles data — bank and app two-factor codes still arrive on your normal number, and you'll want them when you're booking things on the move.
Turkey as part of a bigger trip
Turkey is a classic "edge of Europe" case — the exact spot where free EU roaming stops and a travel eSIM earns its keep. That trap, and how to plan around it, is the whole subject of Roam like at home: when EU roaming is enough (and when it isn't). If your summer pairs Turkey with the Greek islands just across the Aegean — an easy ferry hop from Bodrum or Marmaris — the island side is covered in A Greek island summer: staying online from Corfu to Santorini. And for a route that strings several countries together, see One eSIM for a multi-country Europe trip.
Off to Turkey this summer? Grab a Turkey eSIM before you fly and step off the plane already connected.