Alagappa Nagar is situated at Amballur Village near Puthukkad town in Mukundapuram Taluk in Thrissur District in Kerala State. Alagappa Nagar is 12.7 km far from Thrissur city. It is 221 km far from the capital city of Thiruvananthapuram. There is a Textile Mill factory in this town named Alagappanagar Textile Mill Factory Originally build by Dr Alagappa Chettiar.