Complex sentence: They are the overwhelming majority (90% +) of Akhalkalaki and Ninotsminda districts, known as Javakheti among Georgians and Javakhk among Armenians.
Split into simpler sentences: They are the overwhelming majority (90% +) of Akhalkalaki and Ninotsminda districts. These two districts are known as Javakheti among Georgians and Javakhk among Armenians.