Blagoveshchensk (, lit. the city of good news) 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:
The Amur has formed Russia's border with China since the 1858 Aigun Treaty and 1860 Treaty of Peking. The area north of the Amur belonged to the Manchu Qing dynasty until it was ceded to Russia in the 1689 Treaty of Nerchinsk.