Surkhan Darya basin  search
BTAsia
 .Surkhan Darya basin
BTCommonwealth of Independent States
 .Surkhan Darya basin
UFSurkhan-Darya basin
RTTajikistan
 Uzbekistan
SNRiver basin, primarily in Surkhan Darya Oblast in S Uzbekistan. This term has multiple hierarchies. Indexed with former Soviet republics as applicable.