The Caucasian Rug History The Caucasus region, some 160,000 square miles in area, is sandwiched between Turkey, Iran and Russia and stretches the Black Sea in the west to the Caspian Sea in the east. The silk route ran along the shores of the Caspian Sea.  The ethnic richness and vast variety of designs to be found among Caucasian rugs and carpets can be ascribed to its history and the fact that hundreds of tribes are to be...