Roaming charges have been introduced for those travelling in Europe. They were originally scraped across the European Union back in June 2017.
This meant travellers and network customers could go to the EU and use their phone like normal without extra charge. However, since the UK's departure, they're being re-introduced.
Many major networks will bring in costs again and it's important to know if you could be affected so you're saved from any unexpected hefty bills. Luckily some providers have confirmed no extra charges will be incurred by their customers.