Caspian Sea basin

thumb|300px|Map of northern Iran during the Iranian Intermezzo. The borders represent the traditional geographical boundaries of each region. Tabaristan or Tabarestan (; ; from , ) was a mountainous region located on the Caspian coast of northern Iran. It corresponded to the present-day province of Mazandaran, which became the predominant name of the area from the 11th century onwards.

depression in central-southern Azerbaijan

region in Azerbaijan

river

lake in Russia

HES in Russia

dam in Rudbar County, Iran

power station in Kelardasht County, Iran

Garanohur ( - from Azerbaijani gara - "black" and nour, nohur - "lake", "reservoir", "swamp") is an alpine lake located in the Ismayilli district of Azerbaijan (8 km northeast of the city of Ismayilli), at an altitude of about 1520 m above sea level, in the basin of the Garanohurchay river, in the Greater Caucasus.