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 2014, Turkey attracted around 42 million foreign tourists, ranking as the 6th most popular tourist destination in the world. This number however declined to around 36 million in 2015, and to around 25 million in 2016. However, recovery began in 2017, with the number of foreign visitors increasing to 32 million, and in 2018 to 39.5 million visitors

Istanbul is one of the most important tourism spots not only in Turkey but also in the world. There are thousands of hotels and other tourist-oriented industries in the city, catering to both vacationers and visiting professionals. Turkey's largest city and metropolis and a leading global city, Istanbul, has a number of major attractions derived from its historical status as capital of the Byzantine and Ottoman Empires. These include the Sultan Ahmed Mosque (the "Blue Mosque"), the Hagia Sophia, the Topkapı Palace, the Basilica Cistern, the Dolmabahçe Palace, the Galata Tower, the Grand Bazaar, the Spice Bazaar, and the Pera Palace Hotel. Istanbul has also recently become one of the biggest shopping centers of the European region by hosting malls and shopping centers, such as Metrocity, Akmerkez and Cevahir Mall, which is the biggest mall in Europe and seventh largest shopping center in the world. Other attractions include sporting events, museums, and cultural events.

Beach vacations and Blue Cruises, particularly for Turkish delights and visitors from Western Europe, are also central to the Turkish tourism industry. Most beach resorts are located along the southwestern and southern coast, called the Turkish Riviera, especially along the Mediterranean coast near Antalya. Antalya is also accepted as the tourism capital of Turkey. Major resort towns include Bodrum, Fethiye, Marmaris, Kuşadası, Çeşme, Didim and Alanya. Also Turkey has been chosen second in the world in 2015 with its 436 blue-flagged beaches, according to the Chamber of Shipping.