Emilia-Romagna's proud gastronomic traditions have been depicted in artwork and lauded in written accounts dating back to the Middle Ages, and visitors from around the globe continue to pour in for a taste of the action. A week spent prowling the cities of Bologna, Parma, Modena and Ferrara – set amidst the bountiful farmlands between the Apennine Mountains and the Po River – is guaranteed to tantalize your taste buds even as it expands your waistline.

Granular, nutty and oh so delicious, Parmigiano Reggiano is universally beloved as one of the world's finest cheeses. True Italian parmesan, stamped with the Parmigiano Reggiano name, is only produced in the western half of Emilia-Romagna and a small sliver of adjacent Lombardy. 

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Source: http://www.lonelyplanet.com/