The church of Agios Athanasios is a wonderful architectural specimen of Trikleti Vasiliki built in 1819 behind the hill of the Primary School.
It is a historical monument of Sykia that is worth visiting and admiring.
It is really worth a Sunday service in front of its wonderful hand-carved wooden table, to enjoy its acoustics through the hymns of the service.
Historical Facts: Many pages have been written about the parish church of Agios Athanasios, a preserved monument located in the old settlement of Sykia in Sithonia, Halkidiki. Its history is being rewritten by the Ephorate of Antiquities of Halkidiki and Mount Athos, on the occasion of the completion of the restoration and the 200th anniversary of its construction.
The three-aisled, wooden-roofed basilica with narthex and gynaiconite is one of the brilliant examples of the folk architecture and woodcarving tradition, while the heirlooms-donations dating from the beginning of the 17th century have turned the historic temple into a small museum. Portable icons and ecclesiastical utensils bear dedicatory inscriptions of the inhabitants of Sykia and of the monks of Sykia. Two exceptional epitaphs adorn the north and south walls of the church (donation of the Athos monastery of Agios Panteleimon) and a collection of ancient codices dating from the 17th to the 19th century, coming from the monasteries of Agioreitis, mark the timeless relationship of the community with Mount Agionimos, at least since the 13th century.
The history of the church begins in December 1818 with the work of its construction which was completed in 1819 by Zoupaniotes (Zupani – Pentalofos Kozani) craftsmen. Its construction with simple and poor materials but with techniques that testify to high-level craftsmen stands out both on the outside and on the inside of the monument. Decorative plinths embedded in carved granite stones adorn its masonry. Ceramic and stone relief plates with double-headed eagles, crosses, cypress trees, birds, etc. adorn the external surfaces, while the roof cornice decorated with plant shoots, birds and cherubs makes the monument unique. The wood-carved decoration in the interior of the temple (ceiling, iconostasis, shrine) is probably the work of West Macedonian artists.

In the center of the village dominates the magnificent old school of Sykia, Macedonian architecture with stone columns, built in 1870.
The builders were stone craftsmen from Epirus and used trained mules and special scaffolding that they walked on, carrying the granite boulders up into the building.
The two columns at the entrance of the school have been made by the master craftsman himself and head of the workshop, and an older craftsman. A technical and architectural marvel that you won't find anywhere else in Halkidiki!