Lankaran-Astara Economic Region 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.

Jalilabad District is one of the 69 districts of Azerbaijan. It is located in the southeast of the country and belongs to the Lankaran-Astara Economic Region. The district borders the districts of Masally, Yardimli, Bilasuvar, and Neftchala. Its capital and largest city is Jalilabad. As of 2020, the district had a population of 225,300.