Denmark followed Britain's example on Friday, calling on its nationals to cut short their holidays in Tunisia after Britain warned the country was still unsafe after last month's beach massacre according to AFP reports.
On Thursday, Britain had warned its nationals about the high likelihood of further attacks in Tunisia.
Tunisia's prime minister said he would telephone British counterpart David Cameron to discuss Britain's advice which he said would have consequences on the tourism dependent North African nation.
It is estimated that about 3,000 British tourists already in the country had their holidays cut short, and some have already flown home.
"We will ring the British prime minister to tell him we have done everything we can to protect all British interests and those of other countries -- that's our duty," Tunisia's Prime Minister Habib Essid said.
Tunisia's foreign minister said his government would focus on trying to convince London to reverse its position.
Denmark, however, has also advised its citizens to leave Tunisia, saying there was a "high risk" of another attack.
"If you are in Tunisia and do not have essential reasons for being there, you are advised to leave," the Danish foreign ministry said.
France has also alerted its nationals that "There is a high risk of terrorist attacks against Western targets in Tunisia and at tourist attractions, public buildings, near security agencies and in places where large crowds are gathered." However, France said it would not urge its nationals to leave Tunisia, but was warning people to be "particularly vigilant".
Tunisia has brought in a raft of new security measures, including arming tourist police, since a jihadist gunman killed 38 foreign holidaymakers, 30 of them Britons, at the beach resort of Port El Kantaoui on June 26.
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