Gremi Citadel is the dramatic remnant of the former capital of the Kingdom of Kakheti, perched on a rocky outcrop above the valley floor west of Kvareli. The surviving complex includes the Church of the Archangels, built in 1565, and a tall defensive tower that offers a commanding view over the surrounding plain and vineyards.
The church interior preserves some of the best-surviving medieval frescoes in Kakheti. The tower serves as a small museum with archaeological finds from the site. The ruined palace walls below the church give a sense of how extensive the original city was before the Persian sacking made it a ghost site. The setting, with the snow peaks visible to the north and the flat valley stretching south, is one of the most evocative in the region.