Out of 11 climate types in the world, Azerbaijan has nine. This adds to the fertility of the soil, so there are many kinds of vegetables used according to seasons and the dishes. The climate helps to create the richness of the food. Fresh herbs, including mint, coriander, dill, basil, parsley, tarragon, leek, chive, thyme, marjoram, green onion and watercress, are very popular and are often put in the main dishes. The Caspian Sea has many edible species of fish, including the sturgeon, Caspian salmon, kutum, sardines, grey mullet, and others. Black caviar from the Caspian Sea is one of Azerbaijan’s best known delicacies wanted in many parts of the world.