Astara District (Azerbaijani: Astara rayonu) is one of the 66 districts of Azerbaijan. It is located in the southeast of the country, in the Lankaran-Astara Economic Region. The district borders the districts of Lankaran and Lerik, as well as the Ardabil and Gilan provinces of Iran. Its capital and largest city is Astara. As of 2020, the district had a population of 110,000.
Lankaran-Astara Economic Region (Azerbaijani: Lənkəran-Astara iqtisadi rayonu) is one of the 14 economic regions of Azerbaijan. It borders Iran to the south and west, Caspian Sea to the east and Shirvan-Salyan Economic Region to the north. The region consists of the districts of Jalilabad, Astara, Lerik, Lankaran, Masally and Yardimli. It has an area of 6,070 square kilometres (2,340 sq mi). Its population was estimated to be at 953.6 thousand people in January 2021.
Gilan Province (Persian: استان گیلان) is one of the 31 provinces of Iran, in the northwest of the country and southwest of the Caspian Sea. Its capital is the city of Rasht. The province lies along the Caspian Sea, in Iran's Region 3, west of the province of Mazandaran, east of the province of Ardabil, and north of the provinces of Zanjan and Qazvin. It borders Azerbaijan (Astara District) in the north.
The northern section of the province is part of the territory of South (Iranian) Talysh. At the center of the province is Rasht. Other cities include Astaneh-ye Ashrafiyeh, Astara, Fuman, Hashtpar, Lahijan, Langarud, Masuleh, Manjil, Rudbar, Rudsar, Shaft, Siahkal, and Sowme'eh Sara. The main port is Bandar-e Anzali, formerly known as Bandar-e Pahlavi.