Varousi is definitely a place in Trikala that you should visit if you are in town for a few or more days. Varousi is located on the outskirts of the Fortress on the NE side of the city of Trikala and together with the neighborhood of Manavika are the old town.
Varousi is an excellent choice for an afternoon walk and wandering in the quiet streets of the neighborhood, as you can see in its alleys mansions and houses built between the 17th and 19th century.