Boyuk Zira, also known as Nargin, is an island in the Caspian Sea. It is one of the islands of Baku Archipelago located in the Baku bay near Baku city. Nargin Island is part of the Baku Archipelago, which consists of the following islands: Boyuk Zira, Dash Zira, Qum Island, Zenbil, Sangi-Mugan, Chikil, Qara Su, Khara Zira, Gil, Ignat Dash and a few smaller ones.
Boyuk Zira is the biggest island that separates the Bay of Baku from the sea south of the Absheron Peninsula. It has a length of 3.1 km, and a width of 900 m.
The northwestern side of the island is vertical and steep. There is little vegetation.
Wikipedia https://en.wikipedia.org/wiki/Boyuk_Zira
Coordinates 40°17'41.196" N 49°55'10.101" E