
The Channel Island of Jersey is divided into twelve administrative districts or parishes. All have access to the sea and share a name with their ancient parish churches.

A Parish Assembly in Jersey is the decision-making body of local government, comprising ratepayers and electors of the parish.
Saint Brelade is one of the twelve parishes of Jersey. Its population was 10,568 as of 2011, and it occupies the southwestern part of the island. It is the only parish to border only one other parish, St. Peter. The parish is the second-largest parish by surface area, covering 7,103 vergées, which is 11% of the total land surface of the island.

Saint Clement is one of the twelve parishes of Jersey in the Channel Islands. It is in the south east of the Island, and contains some of the suburbs of Saint Helier. It is the smallest parish by surface area, but the second most densely populated. St. Clement stretches west to east from Le Dicq to within a quarter mile of La Rocque harbour. Its surface area is around 1,044 acres (4.22 km2).

Saint Helier is one of the twelve parishes of Jersey, the largest of the Channel Islands in the English Channel. St Helier has a population of about 33,500, roughly 34.2% of the total population of Jersey, and is the capital of the island. The urban area of the parish of St Helier makes up most of the largest town in Jersey, although some of the town area is situated in adjacent St Saviour, with suburbs sprawling into St Lawrence and St Clement. The greater part of St Helier is rural.

Saint John is one of the twelve parishes of Jersey and is situated on the north coast of the island.

Saint Lawrence is one of the twelve parishes of Jersey in the Channel Islands. The parish covers 5,258 vergées (9.5 km²) and occupies the centre of the Island.

Saint Martin is one of the twelve parishes of Jersey in the Channel Islands. Historically it was called "Saint Martin le Vieux" to distinguish it from the present day parish of Grouville.

Saint Mary is one of the twelve parishes of Jersey in the Channel Islands. It is situated in the north west and covers an area of 3,604 vergées (6.5 km²).

Saint Ouen is one of the twelve parishes of Jersey in the Channel Islands. It is in the north west of Jersey. The parish is the largest parish by surface area, covering 8,341 vergées (15 km²).

Saint Peter is one of the twelve parishes of Jersey in the Channel Islands. It is in the west central part of the island. It is the only parish with two separate coastlines, stretching from St. Ouen's Bay in the west to St. Aubin's Bay in the south, and thereby cutting St. Brelade off from other parishes. The parish is the fourth-largest parish by surface area, covering 6,469 vergées

Saint Saviour is one of the twelve parishes of Jersey in the Channel Islands.

Trinity is one of the twelve parishes of Jersey in the Channel Islands, and located the north east of the island. Les Platons is the highest point in Jersey.