The capital of Portugal is Lisbon, which was founded 8th century. Lisbon has been the capital since 1255.
Lisbon is the largest city in Portugal and functions as: Houses Prime Ministers residence.
Lisbon is located at 38.7223° N, 9.1393° W, at an elevation of 6.562′ ft.
Source: https://flic.kr/p/2228oS2