There is one place named Piako in Papua New Guinea.
All places in the world called "Piako".
Kusi (5)Mari (4)Buri (4)Mai (4)Aure (4)Moro (4)Garu (3)Doma (3)Komo (3)Wasu (3)Baru (3)Kama (3)Maiva (3)Tari (3)Fore (3)Sali (3)Aran (3)Bonga (3)Domara (3)Kuru (3)Omo (3)Wau (3)Koru (3)Mala (3)Po (3)Toma (3)Tauri (3)Wagu (3)Koki (3)Nago (3)