Siyathanmangai is a village in Nagapattinam taluk, Nagapattinam district, Tamil Nadu. Its LGD code is 637646 and it covers 3.139 km². Category: Rural.
Bordering villages: KATTUMAVADI, Tenpidagai, Iravancheri, PANDARAVADAI, Segal, Tirumarugal.
Boundary from the Survey of India village boundary database. All villages in Tamil Nadu