The first anniversary of the terrorist attack in Sousse, Tunisia, will be marked with a minute's silence tomorrow.
Six people from the Calendar region were among 38 people killed by gunman Seifeddine Rezgui in the coastal resort of Port El Kantaoui on June 26 last year.
A one-minute silence will be observed in government buildings across the UK and in British embassies overseas on Monday at noon to pay respects to those who lost their lives and were affected by the attack.
The Minister for North Africa, Tobias Ellwood, will visit Tunisia for meetings with officials from the country's government.
He will observe the silence in the UK Embassy in Tunis.
A special memorial service was held at Westminster Abbey in April for survivors and the victims' friends and families.
Prince Harry laid a wreath at the Innocent Victims Memorial on behalf of his grandmother the Queen and delivered a reading during the service, which was conducted by the Dean of Westminster, the Very Reverend Dr John Hall, and attended by David Cameron.
Since the attack, the Foreign and Commonwealth Office has advised against all but essential travel to Tunisia.
The North African country's tourism officials have called for the guidance to be relaxed because it suggests that the perpetrators are "on the winning side".
Terror group Islamic State claimed responsibility for the attack.