Patna is the capital city of Bihar, India located on the southern bank of the Ganga River. It has a long history dating back to the 6th century BC when it was established as the capital of the kingdom of Magadha. During the Mauryan Empire in the 3rd century BC, the city became the imperial capital under Emperor Ashoka. Patna has experienced growth under successive rulers and became an important administrative and educational center. The original settlement expanded over time with development along the riverfront, south of Gandhi Maidan, and in the new capital area. Patna remains an important transportation hub with connectivity by rail, road, waterways and air.