OT:
If we base it on migration, I think people in Mindanao are from Malaysia, Indonesia and other neighboring foreign Islands in Mindanao. Only few are from visayas, but biggest population in Visayas are from Mindanao and not the other way around.
The Aeta came 13000 - 10000 years ago from the Asian continent. In earlier times they lived widespread throughout the Philippines. Today they are living in the remote highland areas of Luzon, Palawan, Panay, Negros and Mindanao. About 2300 years ago Malayan people arrived from the mainland in the Philippines and brought a more advanced culture; dairy, iron melting and production of iron tools, pottery techniques and the system of sawah's (rice fields).
In the tenth century Muslim traders come from Kalimantan (Indonesia) to the Philippines. A few centuries later, the Islam spread out in the southern part of the Philippines. Until now, the Islam is strong rooted on Mindanao and the other (smaller) islands of the southern part of the Philippines.
We are also implementing segregation here and starting to implement it strictly.
Aha nindot suroyan?
Cebu Island & Sun Beach Resort [Situated at the East of Cebu, one can find Hilutungan Island.]