Region 1: Ilocano, pangasinan
Region 2: ilocano, tagalog, pangasinan, ivatan, gaddang, ibanag etc.
Region 3: ilocano, tagalog, pampango
Region 4-A: tagalog, chavacano, ternateno, bisaya, pampango etc.
Region 4-B: tagalog (yan lang alam ko)
Region 5: bicolano
NCR: tagalog, ilocano, cebuano etc.
CAR: ilocano, pangasinan, tagalog
Region 6: hiligaynon, kiniray-a, aklanon
Region 7: boholano, cebuano
Region 8: waray, cebuano
Region 9: chavacano, cebuano, tausug
Region 10: tagalog, bicolano, cebuano, tiruray, boholano
Region 11: tagalog, hiligaynon, waray, cebuano etc.
Region 12 (SOCCSKSARGEN): cebuano, tiruray, tagalog etc.
Region 13 (CARAGA): mamanwa (yan lang alam ko)
ARMM: tiruray
That's my answer :)))
--Rayne