Tourism in Turkey is focused largely on a variety of historical sites, and on seaside resorts along its Aegean and Mediterranean Sea coasts. Turkey has also become a popular destination for culture, spa, and health care. At its height in 2019, Turkey attracted around 51 million foreign tourists, ranking as the sixth-most-popular tourist destination in the world. The total number fluctuated between around 41 million in 2015, and around 30 million in 2016. However, recovery began in 2017, with the number of foreign visitors increasing to 37.9 million, and in 2018 to 46.1 million visitors.