At the Byzantine Museum of Phthiotida , findings have been gathered from all over the present prefecture of Fthiotida, covering chronologically a wide period, from the Early Christian to the Late Byzantine period. The exhibition unfolds in four halls on the ground floor and the first floor of the building and aims at the acquaintance of the general public with the history and life of Byzantine Fthiotida.

The ground floor room is dedicated to the art of paleochristian mosaic floors, numerous samples of which have been found in Fthiotida. Fragments of mosaics from Pelasgia, Achino and Varka Ypatis are exhibited, and photographs from other similar finds. In a separate section are presented the materials and the technique of making a mosaic, with modern mosaics and samples of modern mosaics, giving even the visitor the ability to perceive with the touch the texture of a mosaic surface.