Abidjan lies on the south-east coast of the country, on the Gulf of Guinea. The business district, Le Plateau, is the center of the city, along with Cocody, Deux Plateaux (the city's wealthiest neighborhood and a hub for diplomats), and Adjamé, a slum on the north shore of the lagoon.
Treichville and Marcory lie to the south, Attecoube, Locodjro, Abobo Doume and Yopougon to the west, and Île Boulay is located in the middle of the lagoon.
Abidjan experiences a tropical wet and dry climate (Aw), according to the Köppen climate classification.
Abidjan has nonconsecutive rainy seasons (precipitation above 60 millimetres (2.4 in) with a long rainy season from March to July and a short rainy season from September to December, and three dry months (January, February and August).
Henri de Fougères became governor of French Sudan in 1924, and remained governor until his death in 1931.
One of the main streets of Abidjan still bears his name.
Starting in 1904, when Bingerville was not yet complete, Abidjan became the main economic hub of the colony of Ivory Coast and a prime channel for distributing products to the European hinterland, particularly through the Lebanese community, which was increasing in importance.Abidjan has two additional dry months (January and February).Abidjan is generally humid, with average relative humidity above 80% throughout the year.Because Abidjan is also the largest city in the country and the centre of its economic activity, it has officially been designated as the "economic capital" of the country.The Abidjan Autonomous District, which encompasses the city and some of its suburbs, is one of the 14 districts of Côte d'Ivoire.