İğneada, formerly Thynias (Greek: Θυνίας), is a town (belde) in the Demirköy District, Kırklareli Province, Turkey.

[1] It lies on the Black Sea coast and is approximately 5 km (3 mi) south of the Mutludere river which forms the border with Bulgaria.

The land is covered by mainly oak forests,[3] typical flora of the Yıldız (Istranca) Mountains.

The population in East Thrace are of different ethnicities, some originally from Bulgaria, Romania, Greece, Yugoslavia, and the Caucasus, including: The İğneada Floodplain Forests National Park with its Lake Saka Nature Reserve Area is situated around the town.

It harbors one of the few remaining floodplain forests in all of Europe, which is home to many different bird species.