Wikipedia
Vaipur is located in the banks of River Manimala, in Pathanamthitta District, Kerala, India. There are many myths about the origin of name 'Vaipur'.One of the famous myth says that it has come from the word Vayoopuram, which means Place of Vayu (Air). Second myth says that the name has come from 'Vavarude Ooru' (native place of Vavarusammy, friend of Ayyappan) and it is related to Sabarimala story.
Vaipur port(chanda kadavu) has an ancient trading history, it had links to Purakkad / Alappuzha port and was connected to Manimala, Niranam, Kallooppara, Mallappally, Kaviyoor, Tiruvalla, Nedumkunnam and nearby places. Traders from nearby places used to come to Vaipur market to sell and buy their wares. Vaipur chanda (market) used to function on Mondays and Thursdays every week. Vaipur was part of Alappuzha (Alleppey) district until the creation of Pathanamthitta District and Mallappally Taluk.