Pillaiyarkuppam is a village[1] in Bahour Commune of Bahour taluk in the Union Territory of Puducherry, India.

Pillaiyarkuppam is bordered by Kudiyiruppupalayam in the west, Kirumampakkam in the north, Bay of Bengal in east and Manappattu in the south.

Pillaiyarkuppam is connected to Puducherry by Narambai road which branches off at the 51st km.

Also Pannithittu-Pudukuppam road passes through Pillaiyarkuppam.

Pillaiyarkuppam is a part of Embalam (Union Territory Assembly constituency) which comes under Puducherry (Lok Sabha constituency).