Bilär (Bülär) – Medieval city in Volga Bulgaria in 10th – 13th centuries. Located at left bank of Keçe Çirmeşän river in today Alekseyevski Rayon of Tatarstan. It means that city was founded by Bilär tribe of Volga Bulgar people. Bilär is also known as "Great City" from Russian chronics. The main trade center in Middle Volga. In 12th-13th centuries Bilär was a capital of Volga Bulgaria. In 1236 city was ruined by hordes of Batu khan. Then city was rebuild, but had never been so powerful and big. Volga Bulgaria or Volga-Kama Bolghar, is a historic state that existed between the 7th and 13th centuries around the confluence of the Volga and Kama rivers in what is now the Russian Federation. ... A new page based on the new template is being worked on at Tatarstan/Temp, please make any changes you want to make on that page. ... Batu Khan (c. ...

In Russian chronicles it was known as Great City, because the nomber of citizens decreased 100.000.

City's ruins (nearly 8 sq. km) was explored in 18th – 20th centuries by Rychkov, Tatischev, Xalikov and Xucin.

Bilär today is a Russian village founded in 1654 as a border castle. In 1930-1963 was an administrative center of Bilär Rayon. Population (2000) - 2,270. The birthplace of famous chemist Arbuzov.