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Essential information to help you get connected seamlessly
This virtual SIM only includes data. It does not allow you to make cell phone calls or send SMS messages. You can still use WhatsApp or Skype to call your contacts.
Make sure your phone is both unlocked and compatible with eSIM technology.
Scan the QR code from your smartphone settings and add the data plan. You can either print it and scan it, or open it on another device to scan it. But don't activate it until you land at your destination.
Korunas not euros, a legal right to undo a bad exchange, and a ticket you must stamp exactly once
Czechia is in the EU but not the euro, so you pay in korunas, and the country has an unusually strong law on your side if a Prague exchange booth gives you a bad rate: you can cancel the swap within three hours. Its public transport is just as rule-bound, running on time-based tickets you validate exactly once. This guide covers the money and that cancellation right, the transport and its stamping trap, the tax in every price, the entry rules, and what data is for on a Czech trip.
Prague tickets are timed, not per-ride
Prague's public transport tickets are based on time, not distance or transfers, so a single ticket lets you switch freely between metro, tram and bus while it is valid. The standard singles run 30 minutes and 90 minutes, and the same ticket covers every change within that window.3
Validate once, and only once
You must stamp the ticket the first time you use it, in the yellow validator, which on the metro sits in the entrance vestibule rather than on the platform. Stamp it once only; re-stamping when you change lines invalidates it, and an unvalidated or re-stamped ticket counts as travelling without one when an inspector checks. Plain-clothes inspectors are common and the on-the-spot fine dwarfs the fare, so the stamp is the part worth getting right.3
Our take: buy a longer pass if you will ride more than a couple of times a day; it removes the stamping worry entirely, since a time pass is validated once at the start and then simply carried for the rest of its run.
The currency is the koruna, not the euro
Czechia is in the EU but not in the euro area and has no target date to join, so prices are in Czech korunas (CZK). Some tourist-facing places accept euros, but usually at a poor rate, so paying in korunas by card or cash is almost always better value. Cards are widely accepted in Prague, which means you rarely need to carry much cash or visit an exchange booth at all.1
VAT is 21% and already in the price
Czechia's standard VAT rate is 21%, with a single reduced rate of 12% on certain goods and services. It is included in displayed prices, so the figure on the menu or the shelf is what you pay.4
EES applies at Czech borders
Czechia is in the Schengen area, so since 10 April 2026 non-EU arrivals are registered biometrically under the Entry/Exit System rather than getting a passport stamp, with short-stay limits tracked automatically.5
ETIAS is not yet running
The travel authorisation is not being collected yet; the EU will announce the start date in advance, so no application is required for a Czech trip today.6
You can cancel a bad currency exchange within three hours
Under Czech rules the national bank publishes for consumers, you may withdraw from a currency exchange free of charge and without giving a reason within three hours, for amounts up to the equivalent of 1,000 euros. Exchange offices may not charge a separate commission on top of the rate, and advertising special 'VIP' rates is banned, so keep your receipt and you can reverse a rate you later find was poor.2
112 reaches emergency services
The pan-European emergency number 112 works from any phone in Czechia and connects you to police, ambulance and fire, free and even without credit on the line.7
Czechia is an EU country, so an EU SIM roams here under Roam Like At Home at no extra cost, and coverage is strong in Prague and the other cities and along the main rail lines. The reason you will still want reliable data is that it protects you from the two classic Prague traps: you can check the real exchange rate on your phone before you swap cash, which is what lets you spot a bad booth and use the three-hour cancellation right, and you can hold and time your transport ticket so you validate it correctly rather than guessing at the validator. Because the country runs on korunas rather than euros, a banking or currency app earns its place here, both to convert prices in your head and to keep an eye on what a fair rate looks like before you hand over cash. Coverage stays good across most of the country, but download tickets and offline maps before heading into the Bohemian and Moravian countryside, where the signal can thin between towns and a wrong turn on a rural road is harder to unpick without a map.
No. Czechia is in the EU but has not adopted the euro and has no target date to do so, so the currency is the Czech koruna (CZK). Some tourist spots take euros at a weak rate, but you will almost always do better paying in korunas by card or cash.1
You have a legal way out. Czech rules let you cancel a currency exchange free of charge, without a reason, within three hours, for amounts up to about 1,000 euros. Offices cannot add a commission on top of the rate and cannot advertise special 'VIP' rates, so keep the receipt and, if a booth refuses, you can complain to the Czech National Bank.2
They are timed, not per-ride, so one ticket covers all your metro, tram and bus changes within its 30- or 90-minute window. Validate it once, on first use, in the yellow validator (on the metro that is at the entrance, not the platform). Do not re-stamp when you transfer, because re-stamping voids the ticket and an inspector will treat it as no ticket.3
Yes. Czechia is in the EU, so an EU plan roams here under Roam Like At Home with no surcharge, and coverage in Prague and the cities is reliable for maps, transit and checking exchange rates. A non-EU visitor whose home plan charges to roam is the case where a local eSIM keeps data at a predictable price instead of an unknown daily or per-megabyte rate.
Every price, date and rule above is taken from the operator, museum, city or ministry that sets it, and was checked against that source on September 5, 2026. Lines marked "Our take" are our own recommendation, not a sourced fact. Fares, fees and opening hours change — confirm anything your trip depends on before you book.