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BTCommonwealth of Independent States
 .Russian Federation
 ..Tuva Russian Federation
BTAsia
 .Tuva Russian Federation
NTKhovu-Aksy Russian Federation
 Sangilen Mountains
UFTannu Tuva Russian Federation
RTSiberian fold belt
SNFormer Tuva Autonomous Soviet Socialist Republic. On the Mongolian border between the Altai Mountains on the W and the Sayan Mountains on the NE. Before 1993, Tuva Russian Republic was also used. This term has multiple hierarchies.