Ancient sites include Anuradhapura, Polonnaruwa, Sigiriya, Dambulla, Panduwasnuwara and Yapahuwa. All these places contain the remains of a great civilisation that grew through the centuries under the influence of Buddhism, a gentle faith still preserved in Sri Lanka in its purest form. Vast manmade lakes, large parks, shrines, temples and monasteries speak eloquently of the grandeur of the past and bear testimony to a cultured and imaginative people. The regions in the following guide are used for convenience only and have no administrative significance.