Sintra Region The town of Sintra was classified in 1995 as International Heritage by UNESCO. In this mystical and romantic town with its pleasant micro-climate and the charm of its narrow winding streets you can find numerous monuments of exceptional historic and artistic interest, such as the Town Palace, a royal residence in times gone by. Located in the mountain range from which it took its name, Sintra is a green and lush environment and a destination for poets and princes. It is also one of the most highly sought after and privileged locations in Portugal. Find out more about Sintra.