Map attribution: By TUBS [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0)], via Wikimedia Commons
Actually you should update the borders to those of the Bangsamoro Autonomous Region in Muslim Mindanao, since the 2019 Bangsamoro autonomy plebiscite has officially changed the borders and name. Also why is the Negros Island Region not included?
Could you also accept 'Southwest(ern) Tagalog' for Mimaropa?
car for cordillera administrative region
ncr for national capital region
and barmm for bangsamoro autonomous region in muslim mindanao