It is the largest city in the east of Gilan province and the 95th most populous city in Iran. Lahijan is one of the Gilaki cities and its people speak Gilaki language. This city is located in a foothill area and its hills are covered with tea bushes. It is also the first city in Iran where silk production was formed and the name of Lahijan is mentioned in the ancient historical books of Persia.
Due to the unique geographical location of Lahijan, this city is undoubtedly one of the most beautiful cities in Iran, which is located between the Caspian Sea and the Alborz Mountains and has a rich culture specific to this region.