Douglas–Charles Airport, formerly known as Melville Hall Airport, is an airport located on the northeast coast of Dominica, 2 mi (3.2 km) northwest of Marigot. It is about one hour away from the second largest city Portsmouth. It is one of only two airports in the island nation of Dominica, the other being Canefield Airport located three miles (5 km) northeast of Roseau.

Dominica, officially the Commonwealth of Dominica, is an island country in the Caribbean. It is part of the Windward Islands chain in the Lesser Antilles archipelago in the Caribbean Sea. The capital, Roseau, is located on the western side of the island. Dominica's closest neighbours are two constituent territories of the European Union, the overseas departments of France, Guadeloupe to the northwest and Martinique to the south-southeast. Dominica comprises a land area of 750 km2 (290 sq mi), and the highest point is Morne Diablotins, at 1,447 m (4,747 ft) in elevation. The population was 71,293 at the 2011 census.