There is one place named Ndumuk in Equatorial Guinea.
All places in the world called "Ndumuk".
San Carlos (5)Asoc (4)Nfaman (4)Acaasi (4)Macoga (4)Mfaman (4)Efulan (4)Mbe (4)Asok (4)Adyap (4)Bisobinam (4)Alum (4)Oveng (4)Akam (3)Bilon (3)Engong (3)Ndong (3)Alen (3)Mba (3)Nko (3)Acam (3)Andom (3)Bikaba (3)Mandok (3)Mveng (3)Eson (3)Macomo (3)Masoc (3)Mokomo (3)Ebaiñ (3)