Neftchala is a rayon

Administrative divisions of Azerbaijan

Politically, Azerbaijan is divided into:*59 districts ,*11 cities ,*1 autonomous republic , which itself contains:**7 districts**1 city...

 on the shores 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...

. Its name is Persian

Persian language

Persian is an Iranian language within the Indo-Iranian branch of the Indo-European languages. It is primarily spoken in Iran, Afghanistan, Tajikistan and countries which historically came under Persian influence...

 نفت چاله Naft-Chala and means oil trench.

History

The Neftchala region was formed as district in the composition of Azerbaijan Republic on February 11, 1940. Until this time it was located in the area of modern Salyan

Salyan

Salyan is a raion of Azerbaijan. Its capital is Salyan. It lays adjacent to the Kura River. To the north are several productive oilfields operated by the Salyan Oil company. It also comprises most of the Shirvan National Park....

, and during the year it become part of the Khilly region, organized on January 24, 1939. Due Neftchala

Neftchala

Neftchala is a rayon on the shores of the Caspian Sea. Its name is Persian نفت چاله Naft-Chala and means oil trench.-History:The Neftchala region was formed as district in the composition of Azerbaijan Republic on February 11, 1940...

 was exceptionally industrial region, it was liquidated in December 1959 and unified with the Salyan

Salyan

Salyan is a raion of Azerbaijan. Its capital is Salyan. It lays adjacent to the Kura River. To the north are several productive oilfields operated by the Salyan Oil company. It also comprises most of the Shirvan National Park....

 region. However, after 4 years it was isolated from Salyan

Salyan

Salyan is a raion of Azerbaijan. Its capital is Salyan. It lays adjacent to the Kura River. To the north are several productive oilfields operated by the Salyan Oil company. It also comprises most of the Shirvan National Park....

 region and became independent industrial zone. But similar mixed system for control did not justify itself, and the once again Neftchala region was again liquidated in 1965 and became part of the Salyan

Salyan

Salyan is a raion of Azerbaijan. Its capital is Salyan. It lays adjacent to the Kura River. To the north are several productive oilfields operated by the Salyan Oil company. It also comprises most of the Shirvan National Park....

. The region become independent after 7 years on April 27, 1973.

Population by years

Year	1979	1989	1999	2009
City	22400	25300	32300	37900
Rural	31000	34800	39200	41700
Total	53400	60100	71500	79600