Why are the Chuvash people Bulgars, but don't call themselves that? And where did the ancient Bulgar language actually go?

Why are are the the Chuvash Chuvash people people Bulgars, Bulgars, but but don't don't call call themselves themselves that? that? And And where where did did the the ancient ancient Bulgar Bulgar language language actually actually go?

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Why are the Chuvash people Bulgars, but don't call themselves that? And where did the ancient Bulgar language actually go?
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Why are the Chuvash people Bulgars, but don't call themselves that? And where did the ancient Bulgar language actually go?
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Why are the Chuvash people Bulgars, but don't call themselves that? And where did the ancient Bulgar language actually go? - My, The culture, Ancient artifacts, Archeology, Rus, Video, Video VK, Neural Network Content

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