The Baikal–Amur Mainline is a 1,520 mm broad-gauge railway line in Russia. Traversing Eastern Siberia and the Russian Far East, the 4,324 km (2,687 mi)-long BAM runs about 610 to 770 km north of and parallel to the Trans-Siberian Railway.

The Russian Far East is a region in Northeast Asia. It is the easternmost part of Russia and the Asian continent; and is administered as a part of the Far Eastern Federal District, which is located between Lake Baikal in eastern Siberia and the Pacific Ocean. The area's largest city is Khabarovsk, followed by Vladivostok. The region shares land borders with the countries of Mongolia, China, and North Korea to its south, as well as maritime boundaries with Japan to its southeast, and with the United States along the Bering Strait to its northeast.