Blagoveshchensk

Blagoveshchensk is a city and the administrative center of Amur Oblast, Russia, located at the confluence of the Amur and Zeya Rivers, opposite to the Chinese city of Heihe. Population: 214,390; 219,221; 205,553. The Amur has formed Russia's border with China since the 1858 Aigun Treaty and 1860 Treaty of Peking.