Tuhi i te haere tonu mo tenei whitianga - Ko Bilär (Tatar: Биләр, te tikanga: Ko te Taone Nui) - he taone nui o te wa o mua i Volga Bulgaria me tona taone nui tuarua i mua i te whakaekenga a Mongol o Volga Bulgaria
He aha? Kei te taha maui o te awa o Little Cheremshan i te rohe o Alexeeyevsky o Tatarstan. Ko te tawhiti ki Bilyarsk he 50 km me 150 km ki Kazan.