Altyntobe is located 5.5 km north-western part from Kogam village. Geographical coordinates are 42Т 437102 UTM 4747216. The site was investigated by the South Kazakhstan archaeological expedition in 1947. (A.N.Bernshtam). South part of shakhristan was explored in 1949. 3 cultural layers were obtained which are made of bricks. During analyzing process of the material of the archaeological results there found 2 chronical stages: 1st century AD and 8th – 10th centuries.
The site was investigated by Otrar archaeological expedition (K.A.Akishev) in 1969 – 1970 and completed the instrumental plan of the mound. In 1986 the South Kazakhstan complex expedition continued to explore. Altyntobe is in a flat mound shaped style and two layered monument. Rimes considering the four corners of the world. The highest northern part citadel is square shaped, corners are round, the size is 135x150 m (5 m in horizontal) and 75x60 m (about 15 m in horizontal), and height is 17.13 m.