Staying connected in Athens is easy with a cheap local prepaid SIM card or a convenient eSIM, plus widespread free WiFi. Plan your data and connectivity alongside skip-the-line sightseeing tickets and tours from My Greece Tours for a smooth, well-connected trip.
This connectivity guide is a practical part of the Athens travel guide. The sections below cover whether you need a SIM, the local networks, where to buy a SIM card, the eSIM option, SIM versus eSIM, free WiFi, and tips for staying connected.
Do you need a SIM card in Athens?
If you are from the EU, your home plan likely works in Greece at no extra cost under EU roaming rules, so you may not need a SIM. Visitors from outside the EU, such as the UK, US or further afield, often face high roaming charges and benefit greatly from a cheap local prepaid SIM card or an eSIM, giving plenty of data for maps, bookings and staying in touch. With local data costing as little as €10 to €15 for a generous tourist package, it is well worth getting connected.
Before deciding how to stay connected, it helps to know whether you actually need a local SIM at all, which depends largely on where you are travelling from. Visitors from within the European Union are in a fortunate position, as EU “roam like at home” rules mean your existing mobile plan generally works in Greece, including Athens, at no extra cost, using your normal allowance, so you may not need to do anything at all. Travellers from outside the EU, however, including those from the United Kingdom after Brexit, the United States, and countries further afield, often face steep international roaming charges from their home networks, which can quickly become very expensive for data-hungry activities like maps, translation, bookings and social media.
For these visitors, a cheap local prepaid SIM card or an eSIM is well worth getting, providing generous data and good coverage for a fraction of roaming costs, with tourist data packages often starting at just ten to fifteen euros for plenty of gigabytes. Getting connected lets you navigate, book and share with ease. Knowing the networks helps you choose well.
What are the mobile networks in Athens?
Greece has three main mobile networks: Cosmote, Vodafone and Nova (formerly Wind). Cosmote is generally regarded as the largest and fastest, with the best 4G and 5G coverage across Athens and Greece, reaching near-total coverage in the cities, and is a popular choice for visitors. Vodafone is also excellent and widely used. All offer prepaid tourist SIM packages with generous data. Coverage in Athens and the main tourist areas is excellent on all three networks.
To choose the best SIM, it helps to know the mobile networks operating in Greece, of which there are three main providers, all offering good service in Athens. The largest and most highly regarded is Cosmote, generally considered to have the most extensive and fastest network, with excellent 4G and 5G coverage across Athens, the rest of Greece and the islands, reaching near-total coverage in the major cities, which makes it a popular and reliable choice for visitors wanting the best connectivity. Vodafone, part of the global brand familiar to many travellers, is also an excellent option, widely used and offering strong coverage and good tourist packages.
The third network is Nova, formerly known as Wind, which is generally a little cheaper and also serviceable. All three providers offer prepaid SIM packages aimed specifically at tourists, bundling a generous amount of data with some calls and texts for a set period, typically valid for around thirty days, at competitive prices. The reassuring bottom line is that mobile coverage in Athens and across the main tourist regions is excellent on all the networks, so you will rarely be without a signal. With a network in mind, buying a SIM is simple. There are several easy places to get one.
Where can you buy a SIM card in Athens?
The easiest places to buy a SIM are the Cosmote, Vodafone and Nova kiosks in the arrivals hall at Athens airport, selling tourist packages from around €10 to €15, though hours vary. In the city, you can buy from the networks’ official shops, from Germanos electronics stores where staff speak English, and sometimes from street vendors near central metro stations. You will need your passport to register the SIM, as ID is required by law. The process is quick and simple.
Buying a local prepaid SIM card in Athens is straightforward, with several convenient options depending on where and when you arrive. The simplest and most popular choice for many travellers is to buy a SIM as soon as you land, at the kiosks of the main networks, Cosmote, Vodafone and Nova, located in the arrivals hall of Athens International Airport, where staff sell tourist-specific prepaid packages, often starting at around ten to fifteen euros for a generous data bundle, and set everything up for you; note that these kiosks keep limited hours, often roughly daytime into the evening, so a very late arrival might miss them. In the city itself, you can buy a SIM from the official shops of the networks, found around central areas such as near Syntagma Square, and very conveniently from the widespread Germanos electronics and phone stores, where staff generally speak good English and the activation is quick and easy.
Street vendors near some central metro stations, such as Omonia, also sell tourist SIMs, sometimes at keen prices. An important requirement to remember is that you must show your passport to buy and register any SIM, as Greek law requires the provider to record your ID. The whole process takes only a few minutes. For an even simpler option, consider an eSIM.
What is the eSIM option?
An eSIM is a digital SIM you download and install on a compatible phone before or during your trip, with no physical card needed. You simply buy a Greece or Europe data plan online from providers like Airalo, Holafly or the networks, scan a QR code, and you are connected, often before you even land. eSIMs are convenient, quick and avoid swapping cards, with Greece plans starting from just a few euros. They suit travellers with a modern, eSIM-compatible, unlocked phone.
An increasingly popular and convenient alternative to a physical SIM card is the eSIM, an embedded digital SIM that lets you get connected without any plastic card at all, ideal for the modern traveller. An eSIM is simply a data plan that you purchase online and download directly onto your phone, provided your device is reasonably recent and eSIM-compatible, which most flagship smartphones from the last few years are; the process involves buying a Greece-specific or Europe-wide data package from a provider such as Airalo, Holafly, Yesim or others, or from the Greek networks themselves, and then activating it by scanning a QR code or following an app, which installs the plan in moments.
The great advantages of an eSIM are convenience and speed: you can buy and install it before you even leave home, so your phone connects automatically the moment you land in Athens, with no need to find a shop, queue at a kiosk, show your passport or fiddle with swapping tiny cards. Greece eSIM data plans are competitively priced, often starting from just a few euros for a small allowance, with larger bundles available. The main requirement is an unlocked, eSIM-capable phone. Weighing eSIM against a physical SIM helps you decide. Each has its place.
Should you choose a SIM or eSIM, and what about WiFi?
Choose an eSIM for maximum convenience if your phone supports it, connecting instantly on arrival with no shop visit. Choose a physical SIM if you want the cheapest local data, a local number, or your phone is not eSIM-compatible. Either way, Athens also has plentiful free WiFi in hotels, cafés, restaurants, many public squares and the metro, so light users may manage on WiFi alone. For maps and constant connectivity, though, mobile data is well worth it.
Deciding between a physical SIM and an eSIM comes down to your phone and your priorities. An eSIM is the best choice for sheer convenience if you have a compatible, unlocked phone, letting you arrange everything in advance and connect instantly on landing with no shop visit, queue or passport registration. A physical local SIM, on the other hand, can be the better option if you want the very cheapest local data and tourist packages, if you need a local Greek phone number for calls or bookings, or simply if your phone does not support eSIM. Beyond mobile data, it is worth knowing that Athens offers plentiful free WiFi: virtually all hotels provide it, as do the great majority of cafés, restaurants and bars where you can connect while you sit, and free public WiFi is available in many squares, public spaces and even on parts of the metro and in some museums and attractions.
This means that light users who mainly need the internet while resting or dining might manage reasonably well on free WiFi alone, saving the cost of data entirely. However, for reliable navigation with maps, on-the-go bookings and constant connectivity as you explore, a SIM or eSIM is well worth the modest cost. A few tips ensure you stay smoothly connected. The questions below cover the points visitors ask most.
What tips help you stay connected in Athens?
To stay connected, sort your SIM or eSIM early, ideally an eSIM before arrival or a SIM at the airport, and bring your passport for a physical SIM. Choose a generous data package, as maps and uploads use data quickly. Cosmote or Vodafone give the best coverage. Use free WiFi at hotels and cafés to save data, download offline maps as a backup, and check your phone is unlocked. With these steps, you will navigate and share effortlessly throughout your trip.
A few simple tips will keep you reliably connected throughout your time in Athens. First, sort out your connectivity early rather than leaving it to chance: the most seamless approach is to buy and install an eSIM before you travel so your phone works the instant you land, or alternatively to pick up a physical SIM at the airport kiosks on arrival, remembering to carry your passport, which is required to register any local SIM. When choosing a package, opt for a reasonably generous data allowance, as constant use of maps, navigation, photo uploads and social media consumes data faster than you might expect, and running out mid-trip is a nuisance; the tourist bundles usually offer plenty for a typical visit.
For the best coverage and speed, Cosmote or Vodafone are the safest bets. To make your data last, take advantage of the abundant free WiFi at your hotel, cafés and restaurants for heavy tasks like uploading photos, and it is wise to download offline maps of Athens to your phone as a backup in case you lose signal or run low on data. Finally, ensure your phone is unlocked so it can accept a local SIM or eSIM. With these habits, you will explore, navigate and stay in touch effortlessly. The transport network is explained in the Athens metro guide.
Frequently Asked Questions
Where can you buy a SIM card in Athens?
The easiest place to buy a SIM card in Athens is at the Cosmote, Vodafone or Nova kiosks in the arrivals hall at Athens airport, selling tourist packages from around €10 to €15. In the city, you can buy from the networks’ official shops, from Germanos electronics stores where staff speak English, or from street vendors near central metro stations. You must show your passport to register the SIM.
What is the best network in Athens for tourists?
Cosmote is generally considered the best network in Athens for tourists, with the largest and fastest 4G and 5G coverage across the city and Greece, reaching near-total coverage in urban areas. Vodafone is also excellent and widely used. Both offer prepaid tourist SIM packages with generous data. Coverage in Athens and the main tourist areas is excellent on all the main networks.
Is there free WiFi in Athens?
Yes, Athens has plentiful free WiFi. Virtually all hotels provide it, as do most cafés, restaurants and bars, and free public WiFi is available in many squares, public spaces, parts of the metro and some museums. Light users may manage on WiFi alone, but for reliable maps and constant connectivity while exploring, a local SIM card or eSIM with mobile data is well worth the modest cost.