Amur

Borrowed from Russian Аму́р (Amúr), from an Evenki language such as Solon amur (“river”). Doublet of amur.

1The world's ninth-longest river, forming part of the border between the Far East of Russia and Manchuria in Northeastern China, emptying into the Pacific Ocean through the Strait of Tartary, where the mouth of the river faces the northern end of the island of Sakhalin.
2An oblast and federal subject in far eastern Russia; its administrative centre is Blagoveshchensk.