The Coffee C contract is the world benchmark for Arabica coffee. The contract prices physical delivery of exchange-grade green beans, from one of 20 countries of origin in a licensed warehouse to one of several ports in the U. S. and Europe, with stated premiums/discounts for ports and growths. ​Coffee is a brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant. The genus Coffea is native to tropical Africa and Madagascar, the Comoros, Mauritius, and Runion in the Indian Ocean.