Duga features numerous mountainous plateaus with large foothills. The landscape is covered in tropical jungles and is crisscrossed by several winding rivers and wide valleys. Duga's equatorial climate is characterized by high humidity and abundant year-round rainfall; it likely supports a high level of biodiversity.
- "Have you forgotten that we're holding the supply lifeline of our entire army?"
- ― Duga armory personnel
At some point in time, Yuktobania constructed an ammunition storage facility (known as the "Samizdat") in the Duga region. The massive facility, which was constructed within Duga's plateaus, held enough munitions to supply an entire Yuktobanian Army division for a week of combat operations. On November 7, 2010, following the Osean Army's invasion of the Yuktobanian mainland, Wardog Squadron flew to Duga and destroyed the ammunition dump. The Oseans would occupy the Duga region for the remainder of the Circum-Pacific War.