In February 1932, okrugs were abolished, and the districts were directly subordinated to the oblast.

In 1930, the okrugs were also abolished and the districts were directly subordinated to the oblasts.

Regional, district, and local committees were subordinated to the Ministry of Interior.

In 1930, the okrug was abolished, and the district was subordinated to the central administration of Northern Krai.

On May 4, 1938, the district was subordinated directly to the oblast.

On July 23, 1930, the okrugs were abolished as well, and the districts were directly subordinated to the oblast.

On August 1, 1930 the okrugs were abolished, and the districts were subordinated directly to the oblast.

In July 1930, the okrugs were abolished, and the districts were directly subordinated to Northern Krai.

This district was subordinated to the Viceroyalty of New Granada on August 20, 1739.

After 1926, Gurlen and the district were directly subordinated to the Uzbek Soviet Socialist Republic.