
Dominica is divided into ten parishes.The largest parish by population in Dominica is Saint George which contains the capital city Roseau and has a total population of 21,241. The smallest parish by population is Saint Peter with 1,430 residents. The largest parish by land area is Saint Andrew which spans 179.9 km2 (69.5 sq mi), while Saint Luke is the smallest at 10.8 km2 (4.2 sq mi).

Saint Andrew is one of Dominica's 10 administrative parishes. It is bordered by St. John and St. Peter, St. Joseph, and St. David.

Saint David is one of Dominica's ten administrative parishes, located on the eastern side of the island. It is bordered by St. Andrew to the north; St. Joseph, St. Paul and St. George to the west; and St. Patrick to the south. It has an area of 131.6 km² (50.8 mi²), and has a population of 6,789.

Saint George is one of Dominica's 10 administrative parishes. It is bordered by Saint Paul and part of the Boeri River, Saint David and Saint Patrick, Saint Luke.

Saint John is one of Dominica's 10 administrative parishes. It is bordered by St. Andrew to the east, and St. Peter and the Espagnole River to the south. It has an area of 59 km² (22.78 mi²).

Saint Joseph is one of Dominica's 10 administrative parishes. It is bordered by St. Peter to the north, St. Andrew to the northeast, St. David to the east, and St. Paul to the south. It has an area of 120.1 km² (46.37 mi²), and a population of 5,765.

Saint Luke is one of Dominica's 10 administrative parishes. It is bordered by St. George, St. Mark, and St. Patrick.

Saint Mark is one of Dominica's ten administrative parishes. It is bordered by St. Luke and St. Patrick. With an area of 9.9 km² (2 mi²), it is the smallest in the island. It had a population of 1,834 people at the Population Census of 2011.

Saint Patrick is one of Dominica's 10 administrative parishes. It is bordered by St. George, St. Luke and St. Mark to the west, and St. David to the north. It has an area of 84.4 km² (32.59 mi²), and has a population of 8,383.

Saint Paul is one of Dominica's 10 administrative parishes. It is bordered by St. Joseph to the north, St. David to the east, and St. George to the south. It has an area of 67.4 km² (26.02 mi²), and a population of 8,397.

Saint Peter is one of Dominica's 10 administrative parishes. It is bordered by St. John to the north, St. Joseph to the south, and St. Andrew to the east. It has an area of 27.7 km² (10.74 mi²), and has a population of 1,452. Colihaut, Dublanc and Bioche are its only settlements.