Using an eSIM in Greece is one of the easiest ways to stay connected while traveling. Whether you are visiting Athens, Santorini, Mykonos, Crete, Rhodes, Corfu, Zakynthos, Paros, Naxos, Milos or several Greek islands in one trip, an eSIM gives you mobile data without buying a physical SIM card.
Travelers use mobile internet in Greece every day for Google Maps, ferry tickets, hotel check-ins, airport transfers, WhatsApp, taxis, restaurant reservations, translation apps, online banking, weather updates and travel planning.
Quick answer: to use a Greece eSIM, install it before departure on stable WiFi. After arriving in Greece, turn on the eSIM, select it for mobile data, enable Data Roaming and use APN data.esim if manual settings are needed.
Top Greece eSIMs
Greece eSIM
Fixed
1 GB, 7 days€ 1.732 GB, 15 days€ 3.463 GB, 30 days€ 4.33Unlimited
Unlimited, 1 day€ 2.16Unlimited, 3 days€ 4.76Unlimited, 5 days€ 7.79
Balkans eSIM
Fixed
1 GB, 7 days€ 4.332 GB, 15 days€ 6.923 GB, 30 days€ 9.09Unlimited
Unlimited, 1 day€ 4.76Unlimited, 3 days€ 10.82Unlimited, 5 days€ 16.87Europe Extra eSIM
Fixed
1 GB, 7 days€ 2.162 GB, 15 days€ 3.463 GB, 30 days€ 4.33Unlimited
Unlimited, 1 day€ 2.60Unlimited, 3 days€ 5.19Unlimited, 5 days€ 8.65Europe+ eSIM
Fixed
1 GB, 7 days€ 2.602 GB, 15 days€ 3.893 GB, 30 days€ 5.19Unlimited
Unlimited, 1 day€ 2.60Unlimited, 3 days€ 6.06Unlimited, 5 days€ 9.95Europe Lite eSIM
Fixed
1 GB, 7 days€ 2.162 GB, 15 days€ 3.463 GB, 30 days€ 4.33Unlimited
Unlimited, 1 day€ 2.60Unlimited, 3 days€ 5.19Unlimited, 5 days€ 8.65Before You Use Your eSIM in Greece
- Check that your phone supports eSIM.
- Make sure your phone is unlocked.
- Install the eSIM before departure on WiFi.
- Keep the eSIM installed until your trip ends.
- Do not scan the same QR code on another phone.
- Save your QR code and setup instructions.
How to Use eSIM in Greece Step by Step
- Purchase your Greece eSIM before traveling.
- Install the eSIM while connected to stable WiFi.
- Arrive in Greece.
- Turn on the Greece eSIM in your phone settings.
- Select the Greece eSIM for mobile data.
- Enable Data Roaming for the eSIM.
- Keep your primary SIM for calls and SMS if needed.
- Check APN data.esim if mobile data does not start automatically.
Recommended Greece eSIM Settings
| Setting | Recommended Value |
|---|---|
| Mobile Data | Greece eSIM |
| Data Roaming | ON for the eSIM |
| APN | data.esim |
| Primary SIM | Calls and SMS if needed |
| Primary SIM Data Roaming | OFF |
| Automatic Data Switching | OFF |
How to Use eSIM on iPhone in Greece
- Open Settings.
- Tap Cellular or Mobile Service.
- Turn on your Greece eSIM.
- Tap Cellular Data or Mobile Data.
- Select the Greece eSIM.
- Open the Greece eSIM line settings.
- Enable Data Roaming.
- Turn off Allow Cellular Data Switching.
How to Use eSIM on Android in Greece
- Open Settings.
- Go to Network & Internet, Connections or Mobile Network.
- Open SIMs, SIM Manager or Mobile Plans.
- Turn on your Greece eSIM.
- Select the Greece eSIM for mobile data.
- Enable Data Roaming for the eSIM.
- Turn off automatic data switching if available.
- Check APN data.esim if needed.
How to Set APN for Greece eSIM
In most cases, APN settings are added automatically. If your phone has signal but no internet, set the APN manually.
- Open your phone settings.
- Select your Greece eSIM.
- Open APN or Cellular Data Network settings.
- Enter data.esim in the APN field.
- Leave username and password empty.
- Save the settings.
- Restart your phone.
Can You Keep Your Regular SIM Active?
Yes. Most modern dual-SIM phones allow you to keep your regular SIM active for calls and SMS while using your Greece eSIM for mobile data.
This is useful for banking codes, two-factor authentication, work calls, family messages and SMS verification while traveling.
Will WhatsApp Work With an eSIM in Greece?
Yes. WhatsApp works normally with mobile data from your Greece eSIM. Your WhatsApp account stays linked to your existing phone number.
Where You Can Use eSIM in Greece
- Athens
- Santorini
- Mykonos
- Crete
- Rhodes
- Corfu
- Zakynthos
- Paros
- Naxos
- Milos
- Kos
- Kefalonia
- Thessaloniki
- Greek ferries near coastal coverage
How Much Data Do You Need in Greece?
| Trip Type | Recommended Data | Best For |
|---|---|---|
| Athens city break | 3–5 GB | Maps, WhatsApp, bookings and light browsing |
| One-week Greece holiday | 5–10 GB | Daily navigation, social media and travel apps |
| Greek island hopping | 10–20 GB | Ferries, hotels, maps, transfers and frequent travel apps |
| Road trip in Greece | 10–20 GB | Navigation, hotels, beaches and travel apps |
| Remote worker | 20 GB+ | Email, hotspot, work apps and video calls |
Common Greece eSIM Problems and Fixes
eSIM Installed but No Internet
- Select the Greece eSIM for mobile data.
- Enable Data Roaming for the eSIM.
- Check APN: data.esim.
- Restart your phone.
- Turn Airplane Mode on for 30 seconds, then off.
Signal but No Data
- Confirm mobile data is assigned to the Greece eSIM.
- Enable Data Roaming for the eSIM.
- Turn off automatic data switching.
- Set APN to data.esim.
Slow Internet
- Move outdoors or near a window.
- Restart your phone.
- Avoid large uploads in crowded tourist areas.
- Use WiFi for app updates and cloud backups.
Common Mistakes When Using eSIM in Greece
- Trying to install the eSIM without WiFi.
- Forgetting to enable Data Roaming.
- Leaving mobile data assigned to the primary SIM.
- Turning on roaming for the primary SIM by mistake.
- Keeping automatic data switching enabled.
- Deleting the eSIM before the trip ends.
- Buying too little data for island hopping.
How to Save Mobile Data in Greece
- Download offline maps before travel days.
- Save ferry tickets and hotel confirmations offline.
- Use WiFi for app updates and photo backups.
- Turn off autoplay videos in social media apps.
- Lower video streaming quality.
- Use WhatsApp voice calls instead of video calls when possible.
- Close background apps that use mobile data.
Related Greece eSIM Guides
- Greece eSIM
- Install Greece eSIM
- How to Activate Greece eSIM
- Greece eSIM iPhone
- Greece eSIM Android
- Does My Phone Support eSIM Greece?
- APN Settings Greece eSIM
- eSIM Not Working Greece
- Does WhatsApp Work in Greece?
FAQ: How to Use eSIM in Greece
How do I use an eSIM in Greece?
Install the eSIM before departure on WiFi. After arrival in Greece, enable it, select it for mobile data and turn on Data Roaming.
Do I need Data Roaming for Greece eSIM?
Yes. Data Roaming should be enabled for the Greece eSIM. Keep roaming off on your primary SIM if you want to avoid roaming charges.
What APN should I use in Greece?
If manual APN configuration is required, use APN data.esim.
Can I keep my regular SIM active?
Yes. Most dual-SIM phones allow you to keep your regular SIM active for calls and SMS while using the eSIM for mobile data.
Will WhatsApp work with eSIM in Greece?
Yes. WhatsApp works normally and keeps your existing phone number.
Can I use eSIM on Greek ferries?
Yes, when your phone connects to coastal mobile networks. Signal may become weaker when the ferry is far from land.
Can I delete and reinstall my Greece eSIM?
No. Do not delete the eSIM before your trip ends because many eSIM QR codes can only be installed once.
Final Recommendation
Using an eSIM in Greece is simple when your settings are correct. Install it before travel, enable it after arrival, select it for mobile data, turn on Data Roaming and check APN data.esim if needed.
This setup gives you mobile internet for Athens, Santorini, Mykonos, Crete, Rhodes, Corfu, Zakynthos, Paros, Naxos, Milos, ferries, road trips and Greek island hopping.