Airports Council International (ACI) is the leading international trade group of the world's commercial aviation industry, based in Geneva, Switzerland. Coat of arms of the Canton of Geneva Coat of arms of the City of Geneva Geneva (French: Genève, German: Genf, Italian: Ginevra, Romansh Genevra, Spanish: Ginebra) is the second-most populous city in Switzerland (after Zurich), located where Lake Geneva (French: Lac de Genève or Lac L...

ACI has 569 members operating over 1600 airports in 177 countries and territories. In 2004, ACI members handled 3.9 billion passengers, 78.7 million metric tonnes of freight, and 69.4 million aircraft movements. This article describes a type of political entity. ... A territory is a defined area (including land and waters), usually considered to be a possession of an animal, person, organization, or institution. ... 2004 (MMIV) was a leap year starting on Thursday of the Gregorian calendar. ... A tonne (also called metric ton) is a non-SI unit of mass, accepted for use with SI, defined as: 1 tonne = 103 kg (= 106 g). ...

ACI is comprised of six regions, each operating as an independent trade group under a collective affiliation through the ACI brand. The six regions of ACI are:

• ACI-North America (based in Washington, D.C.), which represents most commercial airports in the United States and Canada

• ACI-EUROPE (based in Brussels, Belgium

• ACI-Latin America and Carribbean (based in Merida, Mexico)

• ACI-Pacific (based in Hong Kong), emcompassing Northeast and Southeast Asia, Australasia, the island nations in the Pacific Ocean, Vancouver (Canada), San Francisco (USA) and Hawaii (USA).

• ACI-Asia (based in New Delhi, India)

• ACI-Africa (based in Cairo, Egypt)

• ACI Montreal Bureau (part of the ACI world office at the International Civil Aviation Organization in Montreal, Quebec, Canada)