About Mathura
Mathura is a city in the North Indian state of Uttar Pradesh.It is located approximately 50 kilometres (31 mi) north of Agra, and 145 kilometres (90 mi) south-east of Delhi; about 11 kilometres (6.8 mi) from the town of Vrindavan, and 22 kilometres (14 mi) from Govardhan. It is the administrative centre of Mathura district of Uttar Pradesh. In ancient times, Mathura was an economic hub, located at the junction of important caravan routes.
In Hinduism, Mathura is believed to be the birthplace of Krishna, which is located at the Krishna Janmasthan Temple Complex.[5] It is one of the Sapta Puri, the seven cities considered holy by Hindus. The Kesava Deo Temple was built in ancient times on the site of Krishna's birthplace (an underground prison). Mathura was the capital of the kingdom of Surasena, ruled by Kansa, the maternal uncle of Krishna.
Source : Wikipedia