St Helier (/ˈhɛliə/; Jèrriais: Saint Hélyi; French: Saint-Hélier) is the capital of Jersey, the largest of the Channel Islands in the English Channel. It is the most populous of the twelve parishes of Jersey, with a population of 35,822, over one-third of the island's total population. The town of St Helier is the largest settlement and only town of Jersey. The town consists of the built-up areas of St Helier, including First Tower, and parts of the parishes of St Saviour and St Clement, with further suburbs in surrounding parishes.
The greater part of the parish of St Helier is rural. It covers a surface area of 4.1 sq mi (10.6 km), being 9% of the total land area of the island (this includes reclaimed land area of 494 acres (2.00 km) or 200 ha).