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