of the Palace in the Frankish lands under the Merovingian dynasty. Isbul Point on Livingston Island of the South Shetland Islands, Antarctica, was named in honour of kavhan Isbul by the Antarctic Place-names Commission of Bulgaria. Isbul also features as a character in Aleksandar Raychev's opera Khan Asparuh, which debuted at the Ruse Opera House in 1981. In the opera, however, Isbul is erroneously described as the kavhan of the first Bulgarian ruler, Asparuh. References Sources Medieval Bulgarian nobility 9th-century Bulgarian people 8th-century births 9th-century deaths Regents of Bulgaria Bulgarian people of the Byzantine–Bulgarian Wars Medieval Bulgarian military personnel