region 4
according to the University of Bradford (Human Economics department the most populated region in the Philippines is Calabarzon
The second most populated region, as of the 2010 Census and Housing Population by the National Statistics Office, is:National Capital Region (NCR) at 11,855,975The most populated regions is Calabarzon (Region IV-A) at 12,609,803.
The least populated region in the Philippines is the cordillera, or cordillera autonomous region simply known as CAR
The least populated region in the Philippines is the Cordillera Administrative Region (CAR), located in the northern part of Luzon. Its population is relatively low compared to other regions in the country due to its mountainous terrain and fewer urban centers.
Japan is the most populated region in the world.
Most Densely Populated ProvinceAs of 2000, Cavite province in Southern Tagalog was the most densely populated among provinces with 1,602 inhabitants per square kilometer while Apayao province in Cagayan Valley was the most sparsely populated with only 24 persons per square kilometer.Most Populated ProvinceCebu province, including its 6 cities, had a total population of 3.1 million as of 2000, the highest among the country's 79 provinces. Other highly populated provinces were Pangasinan, with 2.434 million inhabitants; Bulacan, 2.23 million; Negros Occidental, 2.14 million; and Cavite, 2.06 million.avb (cher 09)_
Toronto
London is not a region.......
The top eight regions by population (as of the 2010 Census and Housing Population by the National Statistics Office) are:12,609,803 - Calabarzon, Region IV-A11,855,975 - National Capital Region, NCR10,137,737 - Central Luzon, Region III5,513,514 - Central Visayas, Region VII5,420,411 - Bicol Region, Region V4,748372 - Ilocos Region, Region I4,468,563 - Davao Region, Region XI4,297,323 - Northern Mindanao, Region X
Cebu . that's it, thank you
india
Toronto