"Periyapuranam" is the great book of saiva poems by "Sekkizhar". Periyapuranam is the 12th saiva aagamam of saiva religion. This poems of Periyapuranam explained about the life history of 63 shivan divotees(Nayanmar) and also explained many sivan temples. These temples are called Periyapurana thalangal(temples)

Sekkizhar was a Minister of Chola king Kulothunga, in his younger age,his native place is Kovur, near chennai.He written a periyapuranam by the base of Sundarar's Thiruthondathogai(Divotees life history)