Sardasht (Persian: سردشت, also Romanized as Sar Dasht and Sār Dasht; also known as Sardasht-e Zeydūn) is a city in and the capital of Zeydun District, in Behbahan County, Khuzestan Province, Iran. At the 2006 census, its population was 4,972, in 1,074 families.