Talk:Croatia/@comment-2001:E68:5432:C2E7:4930:3C26:88E4:15D6-20180201030715/@comment-24682153-20180201080457

Yep. That does it mean. I'd recommend BonBon SIM mentioned above. They have good coverage and 4G roaming on Telekom networks in the countries mentioned. They have a dedicated website in English:

http://www.tourist.bonbon.hr/en

In Dubrovnik lock your phone to BonBon or Telekom network as the border is near and you will pay a lot more if your phone links accidentially to an out of the EU network.

All your travelled countries though belong to the EU and you can use BonBons 6GB pack for 55kn (€7.50) without surcharges in Hungary, Austria, Slowakia and Czech Rep.

Topping up Bonbon from abroad is possible by credit card, but only available in Croatian. So you might better buy top-up vouchers in the country before leaving. I also had to manually adjust the APN to their new (see article) as only the old APN was stored on the SIM and this don't give you LTE data.