Hajigabul - largest lake in the Republic of Azerbaijan. It is located in the Kura-Araz lowlands, the South-West of Baku, Actabulum region, near the city of Shirvan. To get to the lake very convenient because near it there passes the railway. The lake was formed due to the natural withdrawal of the Caspian sea in certain geological period.

Of course, by Russian standards Hajigabul - the lake is small. Its maximum width is 3 km and a maximum length of 6 km and not very deep – its maximum depth is 5 m. the Total area of the lake Hajigabul about 1668 ha. the Lake is fed by the waters of the river Kura. The average water temperature ranges from 5° to 28, 5°. With regard to the transparency of the water, it is in the range 0, 06-2, 5 m.

On the lake fish such as carp, pike, barbel, carp, perch and catfish. The spring floods of the river Kura significantly increase the area of the lake. However, the quality of the catch is not affected. Of aquatic plants in the lake are commonly encountered bulrush, cattail, reed, hornwort and water Buttercup. In winter the Lake Hajigabul does not freeze, so it is possible to see a huge number of different species of migratory birds.

About the name of the lake Ajikabul there are many disputes. Perhaps the lake was named in honor of one of those who performed Hajj to Mecca pilgrims. According to another version, the root of the name comes from the Turkic word "aji", which means "bitter". Lake with this kind of names are very common in these parts. For example, aji-Darya in the Western part of Turkmenistan, aji-Nour on the southern slopes of the Caucasus mountains, as well as many of the wells - Ediger and Argali, Adzhi-Kuyu, Kenji and Agila.