Mathura is a city and the administrative headquarters of Mathura district in the Indian state of Uttar Pradesh. It is located 162 kilometres south-east of Delhi; and about 15 kilometres from the town of Vrindavan. From Wikipedia
The vibrant Hindu festival, celebrated primarily in Maharashtra, Gujarat, Madhya Pradesh, and Rajasthan, symbolizes spiritual cleansing and devotion to Lord Krishna through colour rituals and grand processions.