Set around an inner courtyard of an 18th-century mansion, this eco-hotel is located within the walls of St Jorges Castle It features rooms with free Wi-Fi in the historic Alfama neighbourhood All double-glazed rooms at the Castelo feature wood floors and a contemporary classic decor They all come with satellite flat-screen TV and a DVD player The bathroom has a bathtub and robes During evenings, Solars elegant lounge area with original stone walls is a pleasant place to retreat with a drink from the bar In the daytime, guests can relax to the sound of splashing water by the courtyards fountain Solar do Castelo is just a 10-minute walk from the Lisbon city centre, with its many restaurants and access to the metro Praca do Comercio riverfront square is less than 1 km away