Cheyyar, officially Tiruvetipuram is a Town in the Tiruvannamalai District in the Tamil Nadu state of South India. The most common name of this town is Cheyyar but it is also referred to as Tiruvetipuram in many government records. The town has an ancient temple called Vedapureeswarar Temple situated on the banks of the river.

North Arcot was a former district in Madras Presidency, acquired by the annexation of the Arcot State in 1855 when its Nawab died without issue. It had Chittoor as its headquarters. On 1 April 1911, the Chittoor district was separated from North Arcot. The remaining district, with Vellore as its headquarters, passed intact into the Madras State of independent India. On 30 September 1989 the district was split into Tiruvannamalai-Sambuvarayar district and North Arcot Ambedkar district. It contained the present day districts of Tiruvannamalai, Vellore, Chittoor, Tirupati, Tirupattur and Ranipet.

Cheyyaru River is an important seasonal river that runs through the Tiruvannamalai District of the state of Tamil Nadu in South India. It is a tributary of Palar River, a river which originates in Jawadhu Hills and flows through Thiruvannamalai district before entering into the Bay of Bengal. The river receives most of its water from the Northeast and Southwest monsoons and is the major source of irrigation for several villages, including the towns of Cheyyaru and Vandavasi along its bank.

Tiruvannamalai district is the largest and one of the 38 districts in the state of Tamil Nadu, in South India. It was formed in the year 1989 through the bifurcation of North Arcot into the Tiruvannamalai Sambuvarayar and Vellore Ambedkar districts. The city of Tiruvannamalai is the district headquarters.