The Government has issued a travel update after reports suggested Spain could be moved to the 'amber-plus' list.
Currently, Spain, including the Canary Islands and the Balearic Islands (Formentera, Ibiza, Mallorca, Menorca) are on the amber list.
But Foreign Secretary Dominic Raab has not ruled out Spain moving to a different category next Thursday.
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Speaking to Sky News, Mr Raab said: "We've done the job we had to do domestically and as we see other countries catch up if you like, I think we are increasingly confident that more countries will go either on amber or on to green."
Asked if Brits are therefore safe to book holidays to Spain, Mr Raab said: "I can't rule things out that the JBC (Joint Biosecurity Centre) and the government will decide but they'll make that decision next week in terms of the traffic light system for all the relevant countries."
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The minister added there is the "right level of security and assurance" to let travellers from the US and EU into the country without coronavirus restrictions.
Mr Raab said: "We keep an eye on the variants, but because of the 70% double vaccination of our population and because we are insisting only people from the US, the EU and perhaps in due course, as we build up confidence in the system other countries, we proceed on that basis.
"Because it is people who are double vaccinated we believe we have got the right level of security and assurance against people who might be at risk of a variant coming in from abroad."