Vrindavan is in Mathura district, Uttar Pradesh, India.
It is a town on the site of an ancient forest which is believed to have been the region where the Lord Krishna spent his childhood days.
It is about 15km away from Mathura city (Lord Krishna's birthplace), near the Agra-Delhi highway. The town includes many hundreds of temples dedicated to the worship of Radha and Krishna and is considered sacred by a number of religious traditions such as Gaudiya Vaishnavism & Vaishnavism.
According to tradition, Lord Krishna was raised in the cowherding village of Gokul by his foster parents Nanda Maharaj and Yasoda. The Bhagavata Purana describes Lord Krishna's early childhood pastimes in Vrindavan forest wherein he, his brother Balarama, and his cowherd friends stole butter, engaged in childhood pranks and fought with demons. Along with these activities, Lord Krishna is also described as meeting and dancing with the local girls of Vrindavan village including Radharani who were