Kotrag was according to Nikephoros I of Constantinople a son of Kubrat of the Dulo clan of Bulgars. Following the death of his father, he began to extend the influence of his Bulgars to the Volga River. He is remembered as the founder of Volga Bulgaria.[Mercia MacDermott, Bulgarian Folk Customs, Jessica Kingsley Publishers, 1998, , p. 20.]
Honour
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Kotrag Nunatak on Greenwich Island in the South Shetland Islands, Antarctica is named after Kotrag.
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In the Chuvashia in the village of Shemursha on June 30th 2022, a monument was erected to the founder of the Volga Bulgaria - Khan Kotrag
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Later, on January 12th 2023, another monument to Khan Kotrag, was installed in Shiryaev on Popova Hill. The monument was made by the famous Bulgarian sculptor Dishko Dishkov. The official opening is scheduled for spring.
== Gallery ==
