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