The monarch, who ascended the throne after the death of Queen Elizabeth II in September, will head to Colchester Castle and Colchester Library on Tuesday.

Joined by The Queen Consort, His Royal Highness is expected to converse with a range of starstruck people from different organisations operating in the area.

During his time at the castle, he will speak with workers from the Essex Native Oyster Restoration Initiative, Firstsite, Next Chapter and Colchester Zoo.

The Essex Native Oyster Restoration Initiative strives to establish self-sustaining estuaries in the county by using native oyster populations.

Led by the University of Essex, the scheme is a collaboration between oystermen, nature conservation organisations, academia and the UK Government.

Representatives from the project, considered the largest of its kind by area in the United Kingdom, will also be joined by Richard Haward’s Oysters.

Firstsite, meanwhile, is the city’s contemporary art gallery and also provides free meals to local low-income children and their families.

Crowned the Art Fund’s Museum of the Year in 2021, the gallery is heralded for its school holiday arts programme Holiday Fun.

Founded in 1977 as Colchester Women’s Aid, Next Chapter is a domestic abuse charity which supports survivors of relationship violence.

It specialises in providing accommodation, support, and recovery to women with drug and alcohol addiction and dependency caused by abuse they have experienced.

During his interaction with Colchester Zoo’s Animal Care Team, King Charles III will also unveil the name of a baby white rhino.

The Stanway animal complex has been part of the city’s life since 1963 and has become a leading conservation education and research organisation.

After travelling to Colchester Library, Their Majesties will meet Age UK workers and people who have used its services and staff from The Silver Line.

Upon arrival they will be greeted by Mercury Theatre actors dressed-up as Alice in Wonderland and the Mad Hatter and Essex Year of Reading representatives.

They will then sit down for a storytime session with television presenter turned children’s author Dermot O’Leary and writer Frank Cottrell-Boyce.

Age UK, of which King Charles III is a patron, is the UK’s leading charity for providing information, support, friendship and advice to older people in need.

Age UK’s Sliver Line Helpline, meanwhile, of which The Queen Consort became a patron in 2017, is a free and confidential service available 24/7 for any older person.

And The Essex Year of Reading is a campaign helping children and young people discover a lifelong love of reading and be able to read at their age level or above.