Kiashahr (Persian: كياشهر‎, also Romanized as Kīāshahr and Kīyā Shahr; also known as Bandar-e Kīāshahr and Bandar-e-Kīyā Shahr; formerly, Bandar-e Faraḩnāz) is a city in and the capital of Kiashahr District, in Astaneh-ye Ashrafiyeh County, Gilan Province, Iran.