Tarkans

In Bulgaria, the title tarkan denoted a high military rank found in Bulgar inscriptions and written sources from the early period of the Bulgarian state. It was usually used in combination with other titles, such as Zera Tarkan, Zhupan Tarkan, Olgu Tarkan, Vulia (Boila) Tarkan, Boritarkan, Kaluterkan and Kanna Tarkan.