Lahijan is a city in close proximity to the Caspian Sea within the Central District of Lahijan County, in northwestern Iran's Gilan province. It serves as capital of both the county and the district.

Zahed Gilani was an Iranian Sufi grandmaster of Talysh origin and the founder of the Zahediye Sufi order in Gilan; this order became known as the Safavid order after his son-in-law Safi al-Din succeed