SOPHIE, the Countess of Wessex will visit Huntingdon tomorrow (Thursday). She will visit the Oak Tree Centre and the Maple Centre and unveil a plaque at each site. Children from Thongsley Fields and St John's Primary School will be out to greet the countess. The royal visit is expected to start at 11.45am when Her Royal Highness will arrive at the Oak Tree Centre, accompanied by the Lord Lieutenant of Cambridgeshire, Hugh Duberly, who will present a number of guests, including representatives from Huntingdonshire District Council and Cambridgeshire Primary Care Trust, partners in the project that provided the health centre. The countess will tour the centre escorted by Dr Brendan Boyle to see clinics taking place and meet members of staff. She will then unveil a plaque on the ground floor foyer of the Oak Tree Centre commemorating her visit. This will be followed by a 10-minute walk with the Lord Lieutenant and the David Monks, the chief executive of Huntingdonshire District Council to the Maple Centre with the school children lining the route. There another plaque will be unveiled. The countess is expected to leave at 1.45pm.