MIMAROPA Region is an administrative region in the Philippines grouped under the Luzon island group. It covers 5 provinces, namely, Marinduque, Occidental Mindoro, Oriental Mindoro, Palawan, and Romblon, as well as 1 highly urbanized city. The regional center is the City of Calapan.

Its population as determined by the 2020 Census was 3,228,558. This represented 5.19% of the overall population of the Luzon island group, or 2.96% of the entire population of the Philippines. Based on these figures, the population density is computed at 109 inhabitants per square kilometer or 282 inhabitants per square mile.