Australia Abbreviations and Acronyms
- YABBAYoung Australian Best Book Award
- YABBAYoung Australian Best Book Awards
- YABBAYoung Australians Best Book Awards
- YABCYoung Australian Broadway Chorus
- YABIAbingdon Downs, Australia
- YACYouth Access Centre
- YACSYouth Access Ceotres
- YACSAYouth Affairs Council of South Australia
- YACWAYouth Affairs Council of Western Australia
- YADSAlton Downs, Australia
- YAGDAugustus Downs Airport, Augustus Downs, Queensland, Australia
- YALYancoal Aushralia Limited
- YALAMarla, Australia
- YAMCAramac Airport, Aramac, Queensland, Australia
- YAMKAndamooka Airport, Andamooka, South Australia, Australia
- YAMMAmmaroo, Australia
- YAMTAmata Airport, Amata, Northern Territory, Australia
- YAPAYouth Acyion and Policy Association
- YAPHAlpha Airport, Alpha, Queensland, Australia
- YARAArarat Airport, Ararat, Victoria, Australia
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