Wikipedia
Lahijan (, also known as, Lāhijān) is a Caspian sea resort in and the capital of Lahijan County, Gilan Province, Iran. At the 2006 census, its population was 71,871, in 21,518 families.
The resort Lahijan has both traditional and modern architecture. The town, which has an Iranian-European urban structure, lies on the northern slope of the Alborz mountains. Its culture and climatic favorable condition have made Lahijan a major tourist hub in northern Iran. The city is basically founded on the sediments remaining from big rivers in Gilan, including the Sefid-Rud (White River). Historically, the city was the major business center and of course the capital of East Gilan during the time of special rulers. Lahijan has also been a tourism hub of the Islamic world during different eras in Iran's history.