Based on the information you provided, here are the names of the 16 sub-offices of the Parole and Probation Administration (PPA) in the National Capital Region (NCR): 1.PPA Sub-Office 1 2.PPA Sub-Office 2 3.PPA Sub-Office 3 4.PPA Sub-Office 4 5.PPA Sub-Office 5 6.PPA Sub-Office 6 7.PPA Sub-Office 7 8.PPA Sub-Office 8 9.PPA Sub-Office 9 10.PPA Sub-Office 10 11.PPA Sub-Office 11 12.PPA Sub-Office 12 13.PPA Sub-Office 13 14.PPA Sub-Office 14 15.PPA Sub-Office 15 16.PPA Sub-Office 16