ETIAS is an acronym for European Travel Information and Authorisation System. The scheme is being introduced in 2024 and will apply to nationals from 60 visa-exempt countries entering most European countries. The UK is one of those visa-exempt countries, and UK nationals will therefore need to apply for an ETIAS before entering most European countries when the scheme rolls-out.
ETIAS is currently not in operation and no applications are collected at this point.
Find out more about ETIAS, including the full list of European countries requiring ETIAS, and who needs ETIAS, on the European Union's Travel Europe website here.