David Marshall Lang in the context of Professor

In classical antiquity and Greco-Roman geography, Colchis (/ˈkɒlkɪs/; Ancient Greek: Κολχίς) was an exonym for the Georgian polity of Egrisi (Georgian: ეგრისი) located on the eastern coast of the Black Sea, centered in present-day western Georgia also including the region of Abkhazia.

Its population, the Colchians, are generally believed to have been primarily early Zan-speaking tribes, ancestral to the modern Laz and Mingrelian peoples. According to David Marshall Lang: "one of the most important elements in the modern Georgian nation, the Colchians were probably established in the Caucasus by the Middle Bronze Age."