 The north occupies a vast mountainous area along the coastline of the Sea of Okhotsk, a marginal sea of the Pacific Ocean.Khabarovsk Krai is bordered by Magadan Oblast to the north, Amur Oblast, Jewish Autonomous Oblast and the Sakha Republic to the west, Primorsky Krai to the south, and Sakhalin Oblast to the east.The population is mostly ethnic Russians, but indigenous people of the area are various Tungusic peoples (Evenks, Negidals, Ulchs, Nanai, Oroch, Udege) and Amur Nivkhs and Ainu.