Matiz Paella rice comes from the Albufera National Park in Valencia, Spain. This pristine park is one of the most important nature areas in the region, and is a nesting ground and stopover for many bird species. paella rice is a short grain rice with exceptional absorption properities, and is the must have ingredient for the perfect paella. Bomba rice is favored by the world's top chefs for its high absorbancy. It increases up to three times its size when cooked yet it is also firm-grained. 100% Natural.