Paella is currently an internationally-known rice dish from Spain. It originated in the fields of a region called Valencia in eastern Spain. Today paella is made in every region of Spain, using just about any kind of ingredient that goes well with rice. There are as many versions of paella as there are cooks. It may contain chicken, pork, shellfish, fish, eel, squid, beans, peas, artichokes or peppers. Saffron, the spice that also turns the rice a wonderful golden color is an essential part of the dish.