Lisbon is the largest city and the capital of Portugal with around 110 sq km area. Lisbon has quite a variety of transportation that means flexibility and choice. There are century old trams exploring history of the area and there are modern subway lines carrying pieces of contemporary art. Lisbon’s central part is designed to be a compact area that a normal healthy person can explore on foot. Famous places in close proximity in central area are Alfama, Bairro Alto and Baixa.