Ndjamena, formerly Fort-Lamy, city (1993 urban pop. 213,342), capital of Chad and of Chari-Baguirmi prefecture, SW Chad. It is a port on the Chari River and a transportation hub that lies on roads leading to Nigeria, Sudan, and the Central African Republic. Ndjamena is primarily an administrative center. It is also a major regional market for livestock, salt, dates, and grains. Meat processing is the chief industry. The city was founded as Fort-Lamy by the French in 1900. During a period of civil war in the 1960s the town was occupied by Libyan forces. Its name was changed to Ndjamena in 1973. In 2006 and 2008 the city was the scene of several days of fighting between goverment and rebel forces. The city has schools of administration and veterinary medicine and an international airport.