A typical rug from southern Iran area: a medallion, four geometrically conventionalised flowers in the corners, low-cut pile. An oasis in Iran on the way from Isfahan and Shiraz. What is usual with these rugs is that you often find a little amount of goat wool in them as well.
Placing the correct size rug in your space is as important as choosing the right color or pattern. A rug that it is too small will shift the balance of the room unfavorably. A rug that is too big, especially in open floor plans, may put the area designations off. There are a few rules of thumb, but a picture says it better. Use these handy guides by Interior Designer Lisa Ferguson to make the best choice.