The main river in the district is the Lena, with its tributaries Eyekit, Molodo and Syungyude.

Other rivers include the Olenyok, with the Khorbusuonka and the Kyuyutingde, as well as the Omoloy and the Khara-Ulakh.

Within the framework of administrative divisions, Bulunsky District is one of the thirty-four in the republic.

[1] It is divided into one settlement (an administrative division with the administrative center in the urban-type settlement (inhabited locality) of Tiksi) and eight rural okrugs (naslegs), all of which comprise nine rural localities.

*Administrative centers are shown in bold The economy of the district is mostly based on reindeer husbandry and fishing.