Matoury is a commune of French Guiana, an overseas region and department of France located in South America.Matoury is a southern suburb of Cayenne, the préfecture and largest city of French Guiana. Cayenne – Félix Eboué Airport, the main international airport of French Guiana, is located in the commune of Matoury.Air Guyane Express has its head office on the grounds of the airport.