Three regions — Aosta Valley, Piedmont, and Liguria — comprise northwestern Italy, which is, for touring purposes, most accessible from Milan and Lombardy to the east or from Florence, Livorno, and Tuscany to the south. Northwestern Italy is bordered on its north and west sides by Switzerland, France, and Monaco, making this section of Italy a rich blend of history, culture, and natural beauty. There's the bustling city of Genoa, the charming seaside harbor at Portofino, and the preserved trails along the Cinque Terre, just to name a few must-see attractions.