Buston (Persian: بوستان; Russian: Бустон, formerly Chkalovsk or Chkalov)[3] is a town in northern Tajikistan.

[1] As a result of its involvement in the processing of uranium ore mined nearby, Chkalovsk was a closed city until the collapse of the USSR.

The first Soviet uranium processing plant, Leninabad Mining and Chemical Combine was founded in Chkalovsk during 1940s.

On February 1, 2016, the Government of Tajikistan decided to rename Chkalovsk into Buston (Бӯстон).

According to TASS news agency, it was the last town in Tajikistan with a Russian name.