It borders Đắk Lắk to the north, Lâm Đồng to the southeast, Bình Phước and Mondulkiri of Cambodia to the west.

Đắk Nông has large fields and lakes in the south.

Tà Đùng National Park helps to provide riparian zone protection for the Đồng Nai River basin.

The dry season starts in November and ends in April the year after.

However, after the 1975 Việt Cộng victory and reunification with southern Vietnam in the Vietnam War, Quảng Đức was conjoined with Đắk Lắk Province.