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How to get and activate a Cosmote eSIM Greece

Stay connected in Greece with a Cosmote eSIM. Discover data plans, coverage, prices, and how international travelers can get one hassle-free.

julio osuna english content writer

Updated: October 28, 2025

Cosmote is the biggest mobile operator in Greece, and many tourists consider using their local plans to stay connected during their trip.

If that’s your case and you have an eSIM phone, chances are you’re looking for information about plans, availability, speeds, and everything related to the Cosmote eSIM for Greece.This guide explores everything you need to know about the Cosmote eSIM, as well as other alternatives for staying connected on your trip, such as Holafly.

cosmote esim

Does Cosmote offer an eSIM for tourists?

Cosmote doesn’t offer tourist plans. However, as a tourist, you’ll be limited to prepaid packages. For postpaid plans, you have to be a Greek resident.

To get any of the Cosmote prepaid plans, you can either do it directly with them or use the WHAT’S UP app, which offers a variety of data, text, and phone call plans.

These plans are available to use on your eSIM, or you can get a Greece SIM card if you have a SIM-only mobile device.

Cosmote eSIM for Greece: Plans and pricing

Let’s explore the different Cosmote and WHAT’S UP plans, what they offer, and how much they cost.

PlansPricingWhat’s includedDuration
COSMOKARTA Combo to All€13 (~$15.14 USD)1,000 minutes, 1.5 GB, and 300 SMS30 days
COSMOKARTA Combo Unlimited€15 (~$17.47)Unlimited calls, 2.5 GB, and 400 SMS30 days
COSMOKARTA Extra Week Max€4 (~$4.66)300 minutes, 300 MB, 100 SMS7 days
Giga Now€1,5 to €8,5 (~$1.75 to $9.90)4 to 6 GB, no calls and texts1 to 30 days
Unlimited GB€2,5 to €13,5 (~$2.91 to $15.72)Unlimited data, no calls and texts7 days, weekends, 4 consecutive weekends, or monthly
WHAT’S UP €2 to €13,5 (~$2.33 to $15.72)Up to unlimited data, no calls and texts1 to 30 days

Note: Some WHAT’S UP packages are only available for Greek students

Cosmote mobile network coverage and speed

Cosmote is the largest mobile network in Greece, with a nationwide coverage of 99% and a geographic area coverage of 85%.

Cosmote works with 4G LTE and 5G data speeds. In remote areas, data speed lowers to 3G. 

That said, in places like Athens, Thessaloniki, or islands like Mykonos and Santorini, you’ll find 5G speeds and excellent coverage.

Where to get a Cosmote eSIM in Greece

To get a prepaid Cosmote eSIM in Greece, you have plenty of options, with the main one being visiting a Cosmote or Germanos official store.

At airports, such as Athens International Airport Eleftherios Venizelos or Santorini Airport, you’ll also find stores from official and third-party vendors.

Lastly, you have the option to get a SIM card at kiosks or stores like AB Shop & GO or Smile, but then you’ll have to visit an official store to switch the SIM to a Cosmote prepaid eSIM.

How to get a Greek Cosmote eSIM for travelers

Considering there are no tourist plans from Cosmote, knowing what requirements they ask for and their activation process is important.

Let’s dive deeper into both to clear doubts.

Requirements

Getting a Cosmote eSIM prepaid plan requires showing your passport as a valid ID.

You also need an eSIM-compatible phone. However, when in the store, ask if your phone is compatible with a Cosmote eSIM, as not all phones are listed on their site.

Lastly, remember to choose any of the prepaid Cosmote eSIM plans, the same applies for WHAT’S UP, as some of their plans are only for students.

Activation

Once you receive your eSIM, you’ll need to have an internet connection available to activate it on your phone.

You can ask in the store for the eSIM to be activated for you, or you can scan the QR code to add the eSIM profile to your iOS or Android device immediately.

Once it’s done, your phone will also be registered on the Cosmote mobile network, and you can start using your Cosmote eSIM in Greece.

Which devices are compatible with the Cosmote Greece eSIM?

On their eSIM information site, you can find a list of some devices that are compatible with their eSIM, but you can always double-check in an official store.

  • Apple
  • Samsung
  • Xiaomi
  • Huawei
  • Oppo
  • Motorola
  • HP
  • POCO
  • Realme
  • T

Before purchasing a prepaid plan and requesting a Cosmote Greece eSIM, please verify that your device is listed here or ask directly in-store to avoid potential connection issues.

Enjoy unlimited data with the Holafly eSIM for Greece

Using a Cosmote eSIM in Greece is a good plan, but it’s more complicated than expected.

You have to wait until you find an official store, choose from a handful of plans with limited data, texts, and calls, and you might doubt if your device is compatible with an eSIM.

But there’s an alternative to forgetting about all the hassle of getting a Cosmote eSIM: using a travel eSIM.

With the Holafly eSIM for Greece, you can obtain your eSIM before traveling, enjoy wider device compatibility, unlimited data, and plans that last for 90 days without requiring a contract.

eSIM plans range from $3.90 to as little as $1.55, depending on how long you’re staying in Greece. Additionally, these plans come with 24/7 customer support, up to 500 MB of mobile hotspot data, and a fast activation process.

Additionally, if you’re traveling for an extended period, visiting multiple countries, or working remotely, you can utilize Holafly Plans. For $64.90, you get all the benefits of an eSIM, but with coverage in over 170 destinations and unlimited hotspot data.

Julio Osuna

Julio Osuna

English Content Writer

I first started my content creation journey as a freelancer in 2019, before connecting with Holafly in 2021. At Holafly, my travel and tech interests come together in one place as I craft high-quality articles about the eSIM and related markets. My content aims to help travelers stay connected, wherever they are.

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