The story
Acronym of Mindoro (Occidental & Oriental), Marinduque, Romblon, Palawan, which are the region's constituent provinces.
Etymology from Wiktionary, CC BY-SA 4.0.
MIMAROPA
Today it means: An administrative region of the Philippines comprising the provinces of Mindoro (divided into Occidental Mindoro and Oriental Mindoro), Marinduque, Romblon and Palawan. Full definition →