The Holy Trinity is a Byzantine monument of the 6th century. It is located in the area of Mavrika of the Aetolian Plain, two kilometers south of Agrinio, near Lake Lysimachia.

The Holy Trinity is a Byzantine monument of the 6th century. It is located in the area of Mavrika of the Aetolian Plain, two kilometers south of Agrinio, near Lake Lysimachia.