Abuja large and growing immigrant community consisting mainly of nationals from the ECOWAS sub-region. The city has been undergoing a rapid pace of physical development over the last fifteen years. Abuja is served by the Nigerian Postal Service which maintains postal codes, street names and zones. Nnamdi Azikiwe International Airport is the main airport serving Abuja and the surrounding capital region. It was named after Nigeria's first president, Nnamdi Azikiwe. The airport has international and domestic terminals. Abuja is also linked to Nasarawa, Plateau, Benue and Northeast Nigeria by the A234 Federal Highway, which starts from the city as the Goodluck
Republic of the Congo between latitudes 4°N and 5°S, and longitudes 11° and 19°E. To the south and east of it is the Democratic Republic of the Congo. It is also bounded by Gabon to the west, Cameroon and the Central African Republic to the north, and Cabinda (Angola) to the southwest. It has a short coast on the Atlantic Ocean. The capital, Brazzaville, is located on the Congo River, in the south of the country, immediately across from Kinshasa, the capital of the Democratic Republic of the Congo. The southwest of the country is a coastal plain for which the primary drainage is