Using an eSIM in Greece
Travelling to Greece no longer requires searching for local kiosks in Athens or paying exorbitant roaming fees to UK providers. An eSIM allows you to download a digital data profile directly to your device, giving you immediate access to Greece's robust 4G and 5G networks. This is particularly useful for navigating the complex ferry schedules between the Cyclades or using ride-hailing apps in the capital.
Travelling to Greece no longer requires searching for local kiosks in Athens or paying exorbitant roaming fees to UK providers. An eSIM allows you to download a digital data profile directly to your device, giving you immediate access to Greece's robust 4G and 5G networks. This is particularly useful for navigating the complex ferry schedules between the Cyclades or using ride-hailing apps in the capital.
For UK travellers, an eSIM provides a seamless transition. You can keep your British SIM active for essential SMS—such as banking authentication—while routing all high-cost data through the local Greek infrastructure. Whether you are trekking the Samaria Gorge in Crete or working remotely from a beach in Halkidiki, a digital SIM ensures you remain connected without the risk of bill shock.
Local regulations and carrier availability may change; verify before relying on services.
Quick facts
- Setup Time
- Under 5 minutesTypically 5 minutes from purchase to activation.
- VoIP/Work Apps
- Fully supportedFull support for WhatsApp, Zoom, Teams, and FaceTime via high-speed data.
- Typical Speeds
- 4G / 5G / LTEDomestic 5G is available in all major cities and popular tourist islands like Santorini and Mykonos.
- Voice/SMS
- Data onlyThe eSIM is a data-only product; it does not include a Greek (+30) phone number.
- Refund Policy
- Activation-dependentUnused data packages are generally non-refundable once the eSIM is installed/activated.
Tourist areas
- Athens & The Acropolis: Exceptional 5G coverage throughout the city center. Use data for real-time history apps and walking tours.
- The Cyclades (Mykonos, Santorini, Paros): Strong coverage in the main towns (Choras). Signal may dip slightly when out at sea on ferries between islands.
- Crete: Excellent coverage along the northern coast (Chania, Heraklion). The southern, more rugged coast may have 'black spots' in deep gorges.
- The Ionian Islands (Corfu, Zante): Reliable 4G/LTE across most resorts; perfect for streaming and navigation.
- Peloponnese: Great coverage in Nafplio and coastal towns; speeds may vary in the mountainous interior near Monemvasia.
Business travel
- Athens (Syntagma & Marousi): These districts serve as the financial and business hubs. Fibre-backed 5G is the standard here.
- Thessaloniki: Greece’s second-largest city offers exceptional connectivity for remote workers and business travellers along the waterfront and Tsimiski Street.
- Patras & Piraeus: Port cities have high-density coverage to support the logistical and shipping industries.
- Athens International Airport (ATH): Full 5G coverage is available throughout the terminal to facilitate immediate connectivity upon landing.
How much data?
- Light Users (1GB - 3GB): Suitable for one week of occasional Google Maps navigation, WhatsApp messaging, and checking emails.
- Regular Travellers (5GB - 10GB): Ideal for two weeks. Covers social media updates, light Spotify streaming, and frequent use of translation apps.
- Heavy Users/Creators (20GB+): Necessary for those uploading high-resolution video to Instagram/TikTok from the islands or using their phone as a hotspot for remote work.
- Note: Many Greek cafes offer Wi-Fi, but these are often unsecured; using a private eSIM data connection is recommended for banking or sensitive work.
Coverage
Greece has seen massive investment in 5G infrastructure, particularly along the Athens-Thessaloniki corridor. While the mainland boasts excellent coverage, the Cyclades and Dodecanese islands rely on line-of-sight microwave links; while generally fast, speeds can fluctuate during the peak August tourist season due to network congestion. Inner mountainous regions of the Peloponnese may experience 4G/3G transitions.
Networks
- Cosmote: Widely regarded as having the most extensive coverage in the islands.
- Vodafone GR: Consistent high-speed 4G and 5G in urban centres.
- Nova (formerly Wind): Strong urban presence and competitive speeds.
- Note: Your eSIM will automatically switch to the strongest available local partner.
Install
1. Check Compatibility: Ensure your device is carrier-unlocked. 2. Scan the QR: Open your phone's camera or Cellular Settings and scan the provided A.R.I.A QR code. 3. Label the Plan: Name the new profile 'Greece Travel' or 'ARIA'. 4. Set Data Source: Select the eSIM as your primary source for 'Cellular Data'. 5. Data Roaming: Ensure 'Data Roaming' is toggled ON for the eSIM profile to activate local transit.
FAQs
- Can I make WhatsApp calls with a Greece eSIM?
- Yes, your eSIM provides a data connection that allows you to use WhatsApp, FaceTime, and Telegram for voice and video calls. Standard cellular 'minutes' are not included.
- Will my UK-bought iPhone work with a Greek eSIM?
- Most modern smartphones are eSIM-compatible. This includes iPhone XS and newer, Google Pixel 3 and newer, and Samsung S20 or later. Ensure your device is 'network unlocked' before departing the UK.
- How long does it take for the data to activate?
- Activation is near-instant. Once you scan the QR code and your phone connects to a Greek mast, your data plan begins. We recommend installing it at the airport before you fly.
- Can I use my phone as a hotspot?
- Yes, tethering (Personal Hotspot) is supported on our Greek eSIM profiles, allowing you to share your data with tablets or laptops.
- Does the eSIM work on all the Greek islands?
- While coverage is excellent in Mykonos, Santorini, and Crete, some smaller or more remote 'Hidden Gem' islands may have sporadic 4G signals in mountainous interiors. Local ports always have strong signals.
- Do I lose my UK phone number?
- No, the eSIM is for data only. You will keep your UK SIM card active in your phone to receive SMS (such as bank verification codes), but ensure 'Data Roaming' is turned off for your UK SIM to avoid charges.