The sheer idea of leaving the house without a mobile phone sounds rather terrifying; leaving the country without being connected is a complete nightmare. However, if you read us from the United Kingdom, you’ll find the following interactive map very helpful: it contains whether you can use your phone in a given a country; the services that are available with your current plan and if there are any extra cost you can tackle in advance. You can find the map here!
The good news is that in the majority of the European countries, roaming charges were abolished as 15th of June, 2017. However, it is important to keep in mind that this is only applicable in the states of the European Union and countries that are part of the European Economic Area, such as Norway, Lichtenstein or Iceland. The rest of the continent – you are deemed to be “roaming” the very moment your phone connects to a non-EU network.