Adelaide () is the capital city of South Australia and the fifth-largest city in Australia.

Adelaide is north of the Fleurieu Peninsula, on the Adelaide Plains between the Gulf St Vincent and the low-lying Mount Lofty Ranges which surround the city.

As South Australia's seat of government and commercial centre, Adelaide is the site of many governmental and financial institutions.

Today, Adelaide is noted for its many festivals and sporting events, its food, wine and culture, its long beachfronts, and its large defence and manufacturing sectors.

Adelaïde is the heroine of Gioacchino Rossini's 1817 opera, Adelaide di Borgogna.

Adelaide is a featured figure on Judy Chicago's installation piece The Dinner Party, being represented as one of the 999 names on the Heritage Floor.

* Bickford's Old Style Original Kola is produced by Bickford's Australia in Adelaide, South Australia.

* 1948 – Taman Shud Case: The body of an unidentified man is found in Adelaide, Australia ; involving an undetectable poison and a secret code in a very rare book, the case remains unsolved and is " one of Australia's most profound mysteries ".

* The Great Auk is the mascot of the Archmere Academy in Claymont, Delaware, Sir Sandford Fleming College in Ontario, and the Adelaide University Choral Society ( AUCS ) in Australia.

The koala is found in coastal regions of eastern and southern Australia, from Adelaide to the southern part of Cape York Peninsula.

South of Adelaide, South Australia is home to a colony of 2000 fairy penguins.

It is the focal point of the vast Lake Eyre Basin and is found in South Australia, some north of Adelaide.

The Adelaide point is found in Australia.

The nearest city to Perth with a population of more than 100, 000 is Adelaide, South Australia, which is away.

Author Bill Bryson states that Perth is the most remote city on earth, which he justifies by noting that the population of metropolitan Perth is greater than the combined populations of the rest of Western Australia, the Northern Territory and South Australia, west of Adelaide.

The Port Adelaide Football Club is an Australian rules football club based in Alberton, South Australia, which plays in the Australian Football League ( AFL ) ( in which they are known as the Power ) and the South Australian National Football League ( SANFL ) ( in which they are known as the Magpies ).< ref >

Settlement of seven vessels and 636 people was temporarily made at Kingscote on Kangaroo Island, until the official site of the colony was selected where Adelaide is currently located.

It is known that she was frequently at odds with her mother-in-law, Adelaide of Italy, and this caused an estrangement between Otto II and Adelaide.