Bula

General data
- Water type: River
- Progression: Sviyaga -> Volga -> Caspian Sea -> Planet Earth
- Climates: Continental
- Continents: Europe
- Countries: Russia
Description
The Bula (Russian: Була) is a river in the Chuvash Republic and the Republic of Tatarstan, Russia, a left-bank tributary of the Sviyaga. Its length is 118 kilometres and its drainage basin is 1,580 square kilometres. It originates in the Chuvash Republic and falls into the Sviyaga River south of Devlikeyevo.