[7] Its administrative center is the urban locality (a work settlement) of Zhigalovo.

[4] The district is located in the Lena-Angara Plateau area.

The Ilga and Tutura, tributaries of the Lena River, flow across it.

[11] The area of the district is 22,640 square kilometers (8,740 sq mi).

[3] Some of the settlements of the district are Ust-Ilga (Усть-Илга), Konstantinovka (Константиновка), Lukinovo (Лукиново), Bachai (Бачай), Zakharova (Захарова), Timoshino (Тимошино), Butyrina (Бутырина), Kaidakan (Кайдакан), Chikan (Чикан), Tutura (Тутура), Kelora (Келора), Chichek (Чичек), Kachen (Качень), Rudovka (Рудовка), Znamenka (Знаменка), and Nizhnyaya Sloboda (Нижняя Слобода).