The location of the historical city Vanchi is generally considered at Mahodayapuram ( also called Thiruvanchikulam ) near the ancient port city of Muziris ( Kodungallur ) in Kerala .
It is also referred to as Karuvur in the Sangam literature .
The location of the historical city Karuvur is generally considered at Mahodayapuram ( also called Thiruvanchikulam ) near the ancient port city of Muziris ( Kodungallur ) in Kerala .
It is also referred to as Karuvur in the Sangam literature .