Amur region  search
BTCommonwealth of Independent States
 .Russian Federation
 ..Amur region
BTAsia
 .Amur region
RTAmur Basin
 Baikal-Amur Railroad region
 Bureya Russian Federation
 Khabarovsk Russian Federation
 Stanovoy Range
 Udokan Series
 Zeya-Bureya Basin
SNSE Russian Federation. Larger than the oblast. This term has multiple hierarchies. Added to Thesaurus in 1981.