The capital of Chad is N'Djamena, which was founded 1900. N'Djamena has been the capital since 1900.
N'Djamena is the largest city in Chad and functions as: Houses the National Assembly.
N'Djamena is located at 12.1348° N, 15.0557° E, at an elevation of 987' ft.
Source: https://flic.kr/p/67kWeG