Qusar is located in Eurasian continent, in the north-eastern inclination of the main Caucasus Mountain ridge. It is located between 41°11’41°45’ latitude North and 47°52’48°41’ longitude East. Mountains, among which is also Shahdagh Mount, take the great part of the rayon. The territory of the rayon occupies the northeastern part of Azerbaijan. Qusar is a unique gate of the republic. Even in ancient times, the territory of the rayon took a good position on a junction of the main trade roads. It is from Qusar to Baku, the capital of Azerbaijan.