Data for Bratislava, the castles and the High Tatras, installed before you travel. Slovakia is on the Europe plan with Austria, Czechia, Poland and Hungary — every neighbour but Ukraine — so it works from the moment you land in Vienna. And no, it is not the one with the sea.
The Slovakia plan covers Slovakia only.
The same 10 GB in a package that keeps working past Slovakia.
38 other countries share the package with Slovakia. A few of them:
What's included, when it starts, and how to get connected.
About 330 kilometres from the Danube to the mountains, by road or rail, with a vampire’s castle on the way. The line below is an illustration, not a map.
1The only capital that borders two countries, Austria and Hungary, with Vienna 50 kilometres upriver. The old town is a long afternoon: the castle over the Danube, St Martin’s Cathedral and Čumil, the bronze man peering out of a manhole since 1997. Driving on? The motorways need an e-známka — €10.80 for 10 days in 2026, from eznamka.sk.
2Count Orlok’s castle: many scenes of Nosferatu were filmed here in 1922, the BBC’s Dracula came back in 2020, and it inspired Kaer Morhen in The Witcher games. It stands on a limestone spur 112 metres above the Orava river, up towards the Polish border, and is worth the detour off the main road.
3Base yourself at Štrbské Pleso, served by the rack railway from Štrba since 1896, and walk to Popradské pleso; take the cable car up Lomnický štít, where you get 50 minutes on top. The high trails are open June to October, in daylight only, and mountain rescue bills uninsured adults — cover costs about a euro a day.
How the plan fits this route
One package from the Danube to the Tatras, and across every border you are likely to cross on the way: Austria, Czechia, Poland and Hungary are on the Europe plan with Slovakia, so the flight into Vienna and a day on the Polish side of the Tatras share the allowance. Ukraine is not on it. With an EU SIM you roam at home rates here anyway.
Guide: offline maps, done properlySlovenia has the sea, the Alps and ‘love’ in its name; Slovakia has the Tatras, a great many castles and no coast at all. Both flags are white, blue and red with mountains in the coat of arms, which does not help, and misdirected post between the two is an old diplomatic chore. Asked in 2017 whether their embassies in Washington meet every month to swap it, the Slovak one said it does meet its Slovenian colleagues — ‘but the reason is not that one’.
Order a Kofola. It was developed in 1959 at a research institute in Prague to use up surplus caffeine, launched in 1960 as Czechoslovakia’s answer to Coca-Cola, and has outlived Czechoslovakia by more than 30 years: herbal, dark and poured on tap in pubs from Bratislava to the Tatras. The Czechs will tell you it is theirs. Nobody has settled who loves it more.
Then the trdelník, the sugared spit cake sold all over Prague as an ‘old Bohemian’ pastry. In the EU’s register it is Slovak: Skalický trdelník, from Skalica near the Moravian border, has been a protected geographical indication since December 2007. Hungarians will point to kürtőskalács, its Transylvanian cousin. Eat all three; argue later.
Answers about data, coverage and setup for Slovakia.
In four of the five. Austria, Czechia, Poland and Hungary are on the Europe plan with Slovakia, so a flight into Vienna, a day in Kraków or on the Polish side of the Tatras, or the drive south through Hungary stays on one package. Ukraine is not on the plan: the package stops working at the Ukrainian border, so arrange a local SIM or your own roaming for that part.
In the resort villages — Štrbské Pleso, Starý Smokovec, Tatranská Lomnica — and along the road below the peaks, yes. On the trails above the huts it drops in and out on any SIM, so download the map offline before you set off. The package is data only: keep your home SIM in the phone for calls, and save 18 300, the mountain rescue number.
Mostly. The Europe plan carries on through Hungary into Serbia, North Macedonia, Albania, Bulgaria and Türkiye, so the road south is one package. Kosovo is the exception: it needs a Balkans package on the same eSIM, which starts the first time the line connects in a country on its list — Serbia included. With an EU SIM you roam at home rates through Slovakia and Hungary anyway; the package matters from the Serbian border. Guide: Germany to Kosovo by car
