Each of the five areas has a principal city as a focus or starting Rome for central Italy , plus Sardinia ; Florence for Tuscany , with Umbria , and the Adriatic seaside resorts to the east ; Venice for Veneto , the Dolomites , and Emilia 's historic towns from Parma to Ravenna ; Milan for Lombardy , Piedmont , and the Italian Riviera to the west ; and Naples for the south and Sicily .
While there are plenty of cities in Italy , none are of any significance or focus other than Rome .