Gilan is one of the provinces of Islamic Republic of Iran. It is situated along the Caspian Sea, just west of the province of Mazandaran, east of the province of Ardabil, north of the provinces of Zanjan and Qazvin. The northern fraction of the province is fraction of territory of South (Iranian) Talysh. At the heart of the province is the main city known as Rasht. Other cities in the province include Astara, Astaneh-e Ashrafiyyeh, Fuman, Lahijan, Langrud, Masouleh, Manjil, Rudbar, Roudsar, Shaft, Talesh, and Soumahe Sara.
Gilan, the province of Iran was a main producer of silk conception in 15th hundred CE. Safavid annexation in 16th hundred was at least partly motivated by mechanism of this turnover stream. The silk import, though not the performance, was a monopoly of the Crown and the single majority important cause of import turnover for the imperial treasury. As early as the 16th hundred and until the mid 19th hundred, Gilan was the main exporter of silk in Asia.