Ardabil rugs, woven from fine wool and silk in northwestern Iran, feature the famous Mahi (Herati) design of a diamond medallion with small fish throughout.

Gabbeh wool rugs, from the southern part of Iran, feature simple yet distinctive geometric patterns in harmonious colors of soft greens, light blue, and khaki.

Heriz rugs, woven by Turkish inhabitants in the Province of Azerbaijan, are known for distinctive large, single, octagonal medallions complemented by flowers, twines, and vases.

Isfahan rugs, hand woven to exacting standards, are well known for symmetrical and well balanced, colorful designs featuring more than 15 colors on each rug.

Kashan rugs, revered by royalty and discerning buyers, are characterized by a single medallion in the center and Persian floral motifs forming extremely dense patterns.

Kerman rugs, among the finest produced in Iran, are famous for pictorial designs and medallions and outer borders that are intricately detailed in many colors.

Mashad rugs feature elongated corners and the exclusive use of deep red for the background and dark blue for the medallion, corners, and the border.

Nain carpets, reputed to be the very finest, are distinguished by their single medallion set in a blue or ivory background and subtle, muted colors.

Najafabad rugs, hand woven in central Iran, are known for their curvilinear patterns with medallions quite like the rugs produced in Isfahan and Kashan.

Tabriz rugs, one of the most coveted of all Persian rugs, are characterized by their curvilinear patterns including medallions, hunting patterns, prayer, and pictorial rugs.