Paphos is a beautiful city located on the southwestern coast of Cyprus, and there are plenty of things to see and do here. Here's an ideal itinerary for 3 days in Paphos:

Day 1:

• Start your day with a visit to the Paphos Archaeological Park, which is home to some of the most impressive ancient ruins in Cyprus. You can explore the Roman villas, mosaics, and amphitheater here.
• After that, head to the Tombs of the Kings, which is a UNESCO World Heritage Site. These tombs date back to the Hellenistic and Roman periods and are carved out of solid rock.
• In the afternoon, take a stroll along the Paphos Harbour and enjoy the beautiful views of the Mediterranean Sea. You can also grab lunch at one of the many restaurants here.

Day 2:

• Start your day with a visit to the Aphrodite's Rock, which is a famous landmark in Paphos. According to legend, this is where the goddess Aphrodite emerged from the sea.
• After that, head to the Akamas Peninsula National Park, which is a protected area of natural beauty. You can hike through the park and enjoy the stunning scenery.
• In the evening, head to the Coral Bay Beach, which is one of the most popular beaches in Paphos. You can relax on the beach or go for a swim in the crystal-clear waters.

Day 3:

• Start your day with a visit to the Paphos Castle, which is a medieval castle located on the harbor. You can explore the castle and enjoy the panoramic views of the sea.
• After that, head to the Kato Paphos Archaeological Site, which is another UNESCO World Heritage Site. This site includes the remains of ancient Greek and Roman buildings, including a theater and a temple.
• In the evening, head to the Old Town of Paphos and explore the narrow streets and traditional architecture. You can also grab dinner at one of the many local restaurants here.

Overall, this itinerary will give you a great taste of what Paphos has to offer. Of course, there are plenty of other things to see and do in the city, so feel free to customize your itinerary based on your interests!