Viyyoor is a residential area situated in the city of Thrissur in Kerala state of India. Viyyur is Ward 4 of Thrissur Municipal Corporation. It is dotted by a number of temples, churches, Mosques and is surrounded by lush greenery. It is about 4 km from Swaraj Round. It has one of the three central jails in Kerala, Viyyoor Central Jail. Institutions Viyyoor Central Jail Government Engineering College, Thrissur District Institute for Education and Training Hindi Training College Viyyur Grameena vayanasala St. Francis L.P. School 110 kV substation Viyyur Post Office Major places of worship Viyyoor Shiva Temple, which stands on the entrance of Viyyoor near the Viyyoor bridge. RC Church of Our Lady of Perpetual Help (Nithya Sahaya MAtha Church). Viyyoor Manalarukavu devi temple, famous for the kavadi mahotsavam celebrated every year. See also Thrissur Thrissur District List of Thrissur Corporation wards Suburbs of Thrissur city