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Best eSIM for Greece 2026

Stay connected across Athens, Santorini, Mykonos and all of Greece with instant eSIM activation. No SIM swapping, no airport queues — buy online, activate in 2 minutes.

✅ 4G/5G coverage✅ Instant QR activation✅ No roaming fees✅ No contract
Browse Greece eSIM Plans
Greece at a Glance
Network4G/5G
Lowest price$5 / 3GB
Best for 1 week5–10GB
ActivationInstant QR
Works on arrivalYes
TetheringYes
⚡ Quick Answer

The best eSIM for Greece in 2026 is a Cosmote 5G/4G plan starting at $5 for 3GB. It activates instantly from a QR code, works the moment you land in Athens, Santorini, Mykonos, needs no physical SIM swap or airport queue, and covers all of Greece. For a one-week trip, 5–10GB is ideal; heavy streamers and remote workers should choose an unlimited plan.

Greece eSIM — key facts (updated July 2026)
Best networkCosmote
Network technology5G / 4G LTE
Starting price$5 for 3GB
Recommended data (1 week)5–10 GB
ActivationInstant QR code (~2 minutes)
Main coverageAthens, Santorini, Mykonos + nationwide
Hotspot / tetheringSupported
RegionEurope
Greece Plans

Compare Greece eSIM Plans

All plans use Greece's top networks for the widest 4G/5G coverage

3 GB
7 days · 4G/5G
$5
  • Perfect for short trips
  • Instant QR activation
  • Top local network
  • Hotspot included
Buy 3GB Plan
Most Popular
10 GB
15 days · 5G
$15
  • Best for 1-2 week trips
  • 5G in major cities
  • Fastest local network
  • Hotspot & tethering
  • Top-up available
Buy 10GB Plan
Unlimited
30 days · 5G
$35
  • Unlimited data (daily cap)
  • Best for long stays
  • 5G network
  • Hotspot included
  • Auto-renew optional
Buy Unlimited Plan
Coverage

Greece Network Coverage

Greece has extensive nationwide coverage with 5G in major cities

Cosmote
5G / 4G LTE
Best coverage incl. islands
Vodafone GR
4G LTE
Strong on mainland & coast
Nova (Wind)
4G LTE
Good value
FAQ

Greece eSIM — Frequently Asked Questions

Does eSIM work in Greece and the islands? +
Yes. Greece has good eSIM coverage on Cosmote, Vodafone and Nova with 5G in Athens and Thessaloniki and 4G across Santorini, Mykonos, Crete and most of the Cyclades.
What is the best network for the Greek islands? +
Cosmote has the widest island coverage in Greece, reaching Santorini, Mykonos, Naxos, Paros and Crete — ideal for island hopping.
How much data do I need for Greece? +
5GB covers a week of maps, ferry bookings and beach photos. Island hoppers sharing lots of content should pick 10GB+.
Will the eSIM work on the ferries between islands? +
Coverage is strong in ports and near the coast, so you'll have signal at departure and arrival; mid-crossing on open water between islands can drop out briefly.
Is a Greece eSIM valid across Europe? +
Most Greece plans are Europe-wide with free EU roaming, so the same eSIM works if you continue to Italy, France or the rest of the EU.
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