This island in the South Atlantic Ocean measures approximately 17x10 kilometres.
It's volcanic in origin though volcanic activity on the island is now extinct.
The island's population is of mixed European, Asian and African descent and the official language is English.
Many islanders grow corn, potatoes and green vegetables, and keep poultry, sheep, goats, cattle and pigs. Some coffee is grown for export. Fish, mostly tuna, is the main export product. It's caught in the waters around the island.
The capital Jamestown was founded in 1659. It has examples of Georgian architecture, built out of local volcanic rock.
The town is sandwiched between steep cliffs, which form the James Valley. It's rather long, with tightly knit and winding streets.
St Helena is one of the most remote islands in the world, you can only travel there by ship (until the airport is built in early 2016).
St Helena Day takes place on 21 May and is a public holiday. On that day in 1502, the island was discovered. It's named such as it was also the birthdate of Saint Helena, mother of the Roman emperor Constantine the Great.
As you can only get to and from the island by boat, taking part in the Commonwealth Games is a challenge! Nevertheless, St Helena has competed in five Games. The first was at the Brisbane 1982 Commonwealth Games, after which the island was absent for 16 years, returning at Kuala Lumpur 1998. St Helena has competed in every Games since.