It acts as a recommendation to EU members, meaning they could potentially set restrictions on those entering from the 14 nations and will almost certainly not allow access to travellers from other countries.
The EU’s efforts to reopen internal borders, particularly among the 26-nation Schengen area which normally has no frontier checks, have been patchy as various countries have restricted access for certain visitors.
Greece is mandating Covid-19 tests for arrivals from a range of EU countries, including France, Italy, the Netherlands and Spain, with self-isolation until results are known.
The Czech Republic is not allowing in tourists from Portugal and Sweden.
British residents can also travel to many EU countries, although non-essential travellers to Britain are required to self-isolate for 14 days.