Prince Harry will honour the sacrifices made by Estonians in their fight for independence as he begins a short tour of northern Europe today.
Harry will fly to the Estonian capital of Tallinn for a four-day tour which will also see him travel to Italy to honour the efforts of Allied troops who helped liberate the nation during the Second World War.
The Prince is an Apache helicopter pilot who has served in Afghanistan and later switched to a military desk job with responsibilities which include helping to organise major ceremonial events involving the Army.
During his visit to Estonia, the 29-year-old will thank the nation's defence forces for their support of British troops in Afghanistan.
Estonia has had a company of soldiers in the country since 2006, directly under British command.
Some wounded Estonian soldiers were treated alongside UK soldiers at Headley Court in the UK.
A number of injured servicemen from the Baltic state will be taking part in the Invictus Games - a paralympic-style championship Harry is helping to stage in London this autumn.
Harry will meet some of them who were treated alongside UK soldiers after laying wreath in Tallinn's freedom square.
The royal has been a long-time supporter of injured military personnel and joined wounded servicemen on an expedition to the North Pole in 2011, and the South Pole last year.
In Italy, Harry will attend commemorative events marking the Italian campaign in the Second World War, focusing on the 70th anniversary of the Battle of Monte Cassino - some of the toughest fighting of the conflict in Europe.