| Tamil Nadu|
Aandiyur Uthangarai is a village in Uthangarai taluk, Krishnagiri district, Tamil Nadu, India.
Aandiyur is located on the main road between Tirupattur and Thiruvannamalai. The village is divided into four areas: Crossroad, Udaiyar Street, Konar Kuttai and MGR Nagar.
The Aandiyur crossroad is the main bus stop for all the eighteen surrounding villages:
In 1300 CE, Aandiyur was a forest inhabited only by Siddhars. Hence the place was called Siddha Madam, a name which over time evolved to become Aandi madam and eventually Aandiyur.
In the 2001 Indian census, Aandiyur had 1,979 inhabitants, 1,007 male and 972 female. For the 2001 census Uthangarai taluk, and Aandiyur, were in Dharmapuri district, as Krishnagiri district was not formed until 2004.
In the 2011 census, Aandiyur reported a decreased population of 1,403.