Windsor Castle

The site for the construction of the fortress, which was later transformed into Windsor Castle, was chosen on a steep, limestone hill, where the first wooden building existed as early as 1070.

An excerpt from the article 36 facts about Windsor Castle

Windsor Castle was strategically important due to its proximity to both the Thames, a key medieval route to London, and Windsor Forest, a royal hunting park (the private hunting ground of Windsor Castle) south of the town of Windsor, previously used by the Saxon kings.