The meaning of the Acronym GBR is...

GBR is

• Great Barrier Reef

More Meanings For GBR:

• Great Barrier Reef
• Great Barrier Reef
• Greenbriar Corporation
• Ground- Based Radar
• Glass Bead Rating
• Ground Based Radar
• Gesellschaft bürgerlichen Rechts
• Global Business Research
• Great Barrington Airport, Great Barrington, Massachusetts USA
• Great Britain

GBR is also in:

• Airport Codes
• AMEX Symbols
• Botany
• Countries
• German
• Human Genome
• Military
• NASA
• Ocean Science
• Transportation