In Greco-Roman geography, Iberia was an exonym for the Georgian kingdom of Kartli, known after its core province. The kingdom existed during Classical Antiquity and the Early Middle Ages, either as an independent state or as a dependent of larger empires, notably the Sassanid and Roman empires. Iberia, centered on present-day eastern Georgia, was bordered by Colchis in the west, Caucasian Albania in the east and Armenia in the south.