While Croatia is part of the EU, which typically implies 'Roam Like at Home' for EU citizens, the situation is different for UK SIM cards post-Brexit. Many major UK providers, including O2, Vodafone UK, and Three, have reinstated roaming charges for Croatia. This means your UK SIM could incur significant costs. For EU citizens, while roaming might be free, a Truly Roaming eSIM offers a dedicated data connection that can often be more reliable and budget-friendly for extended stays, especially if your primary SIM has data caps.
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Is roaming free in Croatia with my UK or European SIM card, or should I consider Truly Roaming?
Updated April 22, 2026
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