May we suggest, kind Sir..?!
Dutch East Indies is more "appropriate" name is we may suggest. (If it "Fit")
Or just East Indies.
As in history, Dutch is one of the major european power in it; the others are English 1820's (for a short time), Portuguese on Timor island (lesser sunda), German on Eastern Papua.
If you Sir try to remake, than why not pick the whole archipelago...!
the infamous natives with their distinct culture are:
- Aceh, Batak, Minang (Sumatera)
- Javanese (Java)
- Balinese (Bali),
- Dayak Malay (Borneo)
- Celebesian (Sulawesi)
- Moluccas Trader (Moluccas/Maluku)