Kura-Aras Lowland

The Kura-Aras Lowland, Kura-Aras Depression or Kura-Aras Basin is a vast depression

Depression (geology)

A depression in geology is a landform sunken or depressed below the surrounding area. Depressions may be formed by various mechanisms.Structural or tectonic related:...

 in central-southern Azerbaijan

Azerbaijan

Azerbaijan , officially the Republic of Azerbaijan is the largest country in the Caucasus region of Eurasia. Located at the crossroads of Western Asia and Eastern Europe, it is bounded by the Caspian Sea to the east, Russia to the north, Georgia to the northwest, Armenia to the west, and Iran to...

 defined by the valleys of the Kura River

Kura River

Kura is a river, also known from the Greek as the Cyrus in the Caucasus Mountains. Starting in north-eastern Turkey, it flows through Turkey to Georgia, then to Azerbaijan, where it receives the Aras River as a right tributary, and enters the Caspian Sea...

 and Aras River. It is situated by the West shore of the Caspian Sea

Caspian Sea

The Caspian Sea is the largest enclosed body of water on Earth by area, variously classed as the world's largest lake or a full-fledged sea. The sea has a surface area of and a volume of...

 and is part of the Aral-Caspian Depression

Aral-Caspian Depression

The Aral-Caspian Depression is a lowland depression straddling Europe and Asia around the Aral Sea and Northern Caspian Sea. The most northern part is called the Caspian Depression. The desert part to the east of the Caspian Depression and Caspian is called the Turan Depression...

. It is delimited by the Greater Caucasus

Greater Caucasus

Greater Caucasus , sometimes translated as "Caucasus Major", "Big Caucasus" or "Large Caucasus") is the major mountain range of the Caucasus Mountains....

 from the North, Lesser Caucasus

Lesser Caucasus

Lesser Caucasus is one of the two main mountain ranges of Caucasus mountains, of length about 600 km....

 from the West and the Talysh Mountains

Talysh Mountains

Talysh Mountains is a mountain chain in northwestern Iran, and southeastern Republic of Azerbaijan in the northwest section of the Elburz Mountains, extending southeastward from the Lankaran Lowland in southeast Azerbaijan to the lower part of the Sefid Rud in northwest Iran...

 from the South.

Its extension is the Lenkoran Lowland, which reaches Iran

Iran

Iran , officially the Islamic Republic of Iran , is a country in Southern and Western Asia. The name "Iran" has been in use natively since the Sassanian era and came into use internationally in 1935, before which the country was known to the Western world as Persia...

 at Astara

Astara

Astara may refer to:* Astara * Astara, Iran* Astara, Azerbaijansee also: Astana...

.