Tabriz rugs are from the city of Tabriz, the capital city of East Azarbaijan Province in the north west of Iran. It is one of the oldest weaving areas and makes a diverse collection of hand-knotted rugs. They are made with a good quality, fine, soft wool.
The term 'Raj' refers to the number of knots in a 70mm span. The higher the 'Raj', the more knots per m2, which is a higher quality of rug. They take longer to weave and more skill to get the design as intricate as they are.