DIWA meaning in Regional ?

Answer: What is Directory of Important Wetlands in Australia mean?

A Directory of Important Wetlands in Australia (DIWA) is a list of wetlands of national importance to Australia published by the governmental agency Environment Australia. Intended to augment the list of wetlands of international importance under the Ramsar Convention, it was formerly published in report form, but is now essentially an online publication. Wetlands that appear in the Directory are commonly referred to as "DIWA wetlands" or "Directory wetlands".

reference

Full Form	Category
Democratic Independent Workers Association	Community
Digital Imaging Websites Association	Computing
Driver Information and Warning Applications	General
Detroit International Wine Auction	General
Directory of Important Wetlands in Australia	Regional
Diving Instructor World Association	Sports