...Razgrad, Isperih, Kubrat, Zavet Loznitsa, Samuil and Tsar Kaloian, and 113 settlements - ...connection with Silistra District through the Samuil rail station and with southern Bulgaria ...Razgrad, Isperih, Kubrat, Zavet Loznitsa, Samuil and Tsar Kaloian, and 113 settlements - ...connection with Silistra District through the Samuil rail station and with southern Bulgaria ...northeastern Bulgaria. It is part of the Razgrad District and is near to the Town of ... District and is near to the Town of Razgrad. Tsar Kaloian is the administration center