Mathur is located north of Chennai with Manali in the east and Madhavaram Milk Colony to the south.

Other neighboring areas include Madhavaram, Kosappur and Kodungaiyur.

In earlier days Mathur is a rural area comprising the villages Periyamathur and Chinnamathur.

In the early 1990s the Tamil Nadu Housing Board and the Madras Metropolitan Development Authority planned and developed a township in the village of Periyamathur and named as Mathur MMDA.

[1][2] Though Mathur is annexed with Greater Chennai Corporation in 24 October 2011 it remained as a part of Madhavaram taluk in Thiruvallur district till 15 August 2018 which was later added into Chennai district officially with other areas fall under the Greater Chennai Corporation limits.