Tourism has been a key element of the economic activity in the country and one of the country’s most important sectors, contributing 20.6% of the gross domestic product as of 2018. Greece welcomed over 28 million visitors in 2016, which is an increase from the 26.5 million tourists it welcomed in 2015 and the 19.5 million in 2009, and the 17.7 million tourists in 2007, making Greece one of the most visited countries in Europe in the recent years.
The vast majority of visitors in Greece in 2007 came from the European continent, numbering 12.7 million, while the most visitors from a single nationality were those from the United Kingdom, (2.6 million), followed closely by those from Germany (2.3 million). In 2010, the most visited region of Greece was that of Central Macedonia, with 18% of the country’s total tourist flow (amounting to 3.6 million tourists), followed by Attica with 2.6 million and the Peloponnese with 1.8 million. Northern Greece is the country’s most-visited geographical region, with 6.5 million tourists, while Central Greece is second with 6.3 million.