Caucasus Krai was an administrative division (a
krai) of the
Russian Empire. It was established in 1844. From that time till 1882 the head of the region (krai) was Viceroy-namestnik , during 1882-1905 -
glavnoupravlyayushchiy or
glavnonachalstvuyushchy ( or главноначальствующий) and in 1905-1917 again
namestnik.