Fethiye is a city and district of Mugla Province in the Aegean Region of Turkey. It is one of the prominent tourist destinations in the Turkish Riviera. In 2019 its population was 162,686.

Fethiye is one of Turkey's well-known tourist centres and is especially popular during the summer.

The Fethiye Museum, which is very rich in ancient and more recent artifacts, displays and testifies to the successive chain of civilizations that existed in the area, starting with the ancient Lycians.

Fethiye is also home to the Tomb of Amyntas, a large tomb built in 350 BC by the Lycians.

Some of the other historical sites worth visiting are: Kadyanda (Cadyanda) Ancient City, Kayaköy - old Greek town, Afkule, Gemiler and Aya Nikola. Most popular touristic towns of Fethiye are: Ölüdeniz, Calis Beach area, Hisaronu and Ovacik.

The island Kizilada in the Gulf of Fethiye, which is 4 mi (6.4 km) off the city, is a popular stopover for boat tours. Alternatively, there are great diving sites Afkule being one of the most famous. The Kizilada Lighthouse on the island houses a seafood restaurant and a hostel with nine rooms.

Butterfly Valley is in the Fethiye district.