[1][2] The county was located on the southern part of the governorate, bordering Caspian Sea to the east, Javad uezd to the north, and Iran to the southwest.

The prefectures (участки, uchastki) of the Lenkoran uezd in 1917 were as follows:[4][5] The county was established on 10 April 1840 on the basis of Talysh Khanate.

[7][2] In 1918, after the collapse of the Russian Empire, Azerbaijan Democratic Republic gained brief independence.

The majority of the population indicated Tatar[c] to be their mother tongue, with significant Talysh and Russian speaking minorities.

It is clear that a significant part of the Talysh, based on their language, are ranked among the Azerbaijanis (“Caucasian Tatars”).