Alathur is a village in Pattukkottai taluk of Thanjavur district, Tamil Nadu, India.

Alathur village is a division of Musugundha Nadu part of Chola Nadu.It is located approximately eight kilometers from Pattukkottai - Mannargudi with the well-connected road of State Highway (SH 146) a route called Sethubachathiram Road.

[1] According to the 2011 census, Alathur had a total population of 4733 with 2163 males, 2570 females and 475 children.

It is surrounded by Madukur, Alampallam, Sembaloore, Mullur Pattikadu, Thalikottai, Pulavanji, Ambalapattu and Thittakudi.

[citation needed] A branch of the Kallanikalvai (a canal from Cauvery River) runs through the centre of Alathur, which is surrounded by irrigation canals and water storage areas such as Pudukulam, Pudu Lake, Veeranar kulam, Sivan kovil kulam, Oddai, Nara Panai.