The work was started in 1090 but most of the defensive wall appears to have been rebuilt in the 12th century. The enclosed area is an irregular rectangle of 31 hectares with a perimeter of some 2,516 meters, including 88 semicircular towers. The walls have an average width of 3 metres and an average height of 12 metres. The nine gates were completed over several different periods.

Segovia Cathedral is the Gothic-style Roman Catholic cathedral located in the main square (Plaza Mayor) of the city of Segovia, in the community of Castile-Leon, Spain. The church, dedicated to the Virgin Mary, was built in a Gothic style in the mid-16th century.

The Alcázar of Segovia is a medieval alcázar located in the city of Segovia, a World Heritage Site by UNESCO. Rising out on a rocky crag above the confluence of two rivers near the Guadarrama mountains, it is one of the most distinctive castle-palaces in Spain by virtue of its shape – like the bow of a ship. The Alcázar was originally built as a fortress but has served as a royal palace, a state prison, a Royal Artillery College and a military academy since then. It is currently used as a museum and a military archives building.

Segovia Aqueduct, a world UNESCO world heritage site. t is one of the best-preserved elevated Roman aqueducts and the foremost symbol of Segovia, as evidenced by its presence on the city's coat of arms.