Kotar is located at 24°43′N80°59′E / 24.72°N 80.98°E / 24.72; 80.98. It has an average elevation of 298 metres (977 feet). A mini fort ( Garhee) was constructed by Raja Bhava singh of Rewa state in 1675 at Kotar. He was a devotee of bhawan jagannath of Puri. Raja Bhava singh, during his tenure as king of Rewa between 1660–1690, visited puri thrice . He brought statues from there and installed them at Rewa, Mukundpur and Kotar. The Kotar is near by the veersinghpur. The road is connected to the Veersinghpur.
As of 2001[update] India census, Kotar had a population of 6863. Males constitute 51% of the population and females 49%. Kotar has an average literacy rate of 53%, lower than the national average of 59.5%: male literacy is 66%, and female literacy is 40%. In Kotar, 18% of the population is under 6 years of age. In 1911 population of kotar was 1814. There are three mail old Mohallas (Tola) in Kotar. These are Gadhitola, Maghtolaba & Kotarahan tola.