Among the rivers of west Asia, the Euphrates was the largest. It was often referred to as ‘the great river’ or simply ‘the River’ (Genesis 15:18; Deuteronomy 1:7; Ezra 8:36; Nehemiah 2:9; Nehemiah 3:7; Isaiah 7:20). The territory of the Euphrates and Tigris Rivers was known as Mesopotamia, and formed part of the ancient land of Babylon. This was the region where the garden of Eden was located (Genesis 2:10-14). The ancient city of Ur was on the Euphrates (Genesis 11:28; see UR).