 The two countries have signed the Treaty on Social Security (1980), a Treaty on Cultural Agreement (1976), and an Agreement on the Avoidance of Double Taxation (1988).Greece, which ranks very high on the list of Norwegian tourist preferences, is amongst the top contenders, welcoming about 22% of the tourist population, which is estimated at some 250,000 people throughout the year.The tourist traffic flows from Norway to Greece in recent years have been increasing and Greece is a favorite destination for Norwegians.