The capital of Haiti is Port-au-Prince, which was founded 1749. Port-au-Prince has been the capital since 1804.
Port-au-Prince is the largest city in Haiti and functions as: Houses the National Palace.
Port-au-Prince is located at 18.5944° N, 72.3074° W, at an elevation of 135' ft.
Source: https://flic.kr/p/9uhN1g