The memorial built on Hill 159, occupying a dominant position after leaving the Ertuğrul Bastion, is the largest memorial built by the British in the Gallipoli Peninsula. The name “Cape Helles Memorial” originates from the denomination of the location as “Cape Helles” by the British while the battles were in progress at the Sedd el Bahr Front. The name Helles comes from “Hellespont”, one of the former names of the Dardanelles Strait. The memorial is located on an elevated platform and covers an area of approximately 2,000 m2 and has a height of 32.9 m.

The following is inscribed on the monolith located at the entrance: Helles Memorial was erected both for those who died at the Battles of Gallipoli and 20,763 people who died at these Battles and whose graves are unknown or lost or sunk in the waters of Gallipoli. The epitaphs situated around the memorial provide information on the contributions and losses of the Royal Navy.. In addition, the names of the warships and military troops that participated in the battles are also inscribed on the monoliths.