Ang Kapatagan ay isang lugar kung saan walang pagtaas o pagbaba ng lupa, patag at pantay ang lupa rito. Maaaring itong taniman ng mga palay, mais, at gulay.
Central Luzon plains. The largest plain in the country and produces most of the country's rice supply, earning itself the nickname "Rice Bowl of the Philippines". Source/photo credit: http://2.bp.blogspot.com/-6SdioKPorT8/TeSEfPEE8AI/AAAAAAAAABo/fbw6SeG02-U/s1200/Valley-Below-the-Road-to-Paraiso-2.jpg
Manila-Calabarzon plainsThis region is where the capital of the Philippines is located. Large rivers from bays and mountain springs traverse the plain. In the Northern part of the region, that is, Manila and Rizal, most of the plain has been converted into cities, and are thus industrialized. The plain harbors the largest inland freshwater lake in Southeast Asia, the Laguna de Bay. Source/photo credit: http://opinion.inquirer.net/files/2011/09/Metro-Manila-Flood-map.jpg
Mindoro coastal plains Mindoro's coastal plains are characterized by rice and corn fields, rivers, beaches, and extensive open space areas. Most of the population is concentrated on the northern and eastern coast of this island where Calapan and Puerto Galera are located. Source/photo credit:http://www.intexresources.com.ph/mindoronickel/index_html_files/20179.png