The Kvatakhevi monastic complex is situated near the village Kavtiskhevi at the end of the gorge cut by a stream in the northern slopes of the Trialeti Range, protected on three sides by the steep mountain slopes. It dates to the 12th-13th century, and resembles the monasteries of Betania, Pitareti, and Timotesubani in its architectural form and decoration, reflecting a contemporary canon of a Georgian domed church architecture. The overall plan is nearly a square, with the dome resting upon 2 freely standing pillars and 2 pillars fused with the ledges of the altar. The internal space of the church is formed by the arms of the cross and the dome which surmounts the crossing point.
The building has two portals, one to the south and one to the west. The façades are covered with finely hewn white stone squares. The decoration abounds in fretwork, especially around the windows and the base of the dome; the eastern façade is adorned with a large ornate cross.
Historically, Kvatakhevi was also a literary center where several manuscripts were copied. It also possessed a treasure with many artifacts of medieval Georgian jewelry, a sizeable portion of which was later acquired by and are now on display at the Moscow State Historical Museum.
The monastery was significantly damaged during Timur's invasions of Georgia in the 14th century, but was subsequently repaired, more completely under the patronage of Prince Ivane Tarkhan-Mouravi in 1854. A belfry was added in 1872.
References:The Church of St Donatus name refers to Donatus of Zadar, who began construction on this church in the 9th century and ended it on the northeastern part of the Roman forum. It is the largest Pre-Romanesque building in Croatia.
The beginning of the building of the church was placed to the second half of the 8th century, and it is supposed to have been completed in the 9th century. The Zadar bishop and diplomat Donat (8th and 9th centuries) is credited with the building of the church. He led the representations of the Dalmatian cities to Constantinople and Charles the Great, which is why this church bears slight resemblance to Charlemagne's court chapels, especially the one in Aachen, and also to the Basilica of San Vitale in Ravenna. It belongs to the Pre-Romanesque architectural period.
The circular church, formerly domed, is 27 m high and is characterised by simplicity and technical primitivism.