Georgia Aquarium is a public aquarium in Atlanta, Georgia, United States. Georgia Aquarium is home to hundreds of species and thousands of animals across its seven major galleries, all of which reside in more than 10 million US gallons (38,000 m3) of fresh and salt water. It was the largest aquarium in the world from its opening in 2005 until 2012, when it was surpassed by Marine Life Park in Singapore.