Guruvayur is a town and a famous pilgrimage place known for Guruvayur Sree Krishna Temple. It is a sacred temple made of a rare stone, Patala Anjana, and is believed to be five millennia old. It is one of the holiest places in India. The town is known for a wide variety of festivals as well.
Major tourist places in and around Guruvayur: Mammiyoor Temple, Punnathur Kotta etc.

Tourism Board Website