After you've decided where to stay in family-friendly Nea Kios, plan what to do for fun on your vacation. Constitution Square, Port of Nafplio, and Arvanitia Beach are some of the local sights worth visiting. You might also like to explore more of the area and take in additional sights like Fortress of Palamidi, Kiveri Beach, and Paralio Astros Amphitheater while you're here.