Which answer matches this clue: the stretch of coastline south of Naples with cliffside towns like Positano and Amalfi?

• A Cinque Terre
• B Amalfi Coast ✓
• C Costa Smeralda
• D Riviera di Ponente

The Amalfi Coast, a UNESCO World Heritage Site since 1997, was once a powerful maritime republic trading with the Byzantine and Arab worlds.