Grand Ducal Household Spends €25.9m During Trounwiessel Year

On Tuesday 30 June 2026, Luxembourg's Maison du Grand-Duc published its 2025 activity report, highlighting a historic year marked by the accession of Grand Duke Guillaume to the throne and the "Trounwiessel" celebrations, with the institution's provisional expenditure rising to €25.9 million.

Published in accordance with the amended Grand Ducal regulation of 9 October 2020 establishing the Maison du Grand-Duc, the annual report presents the official activities of the Head of State, the Hereditary Grand Duke and members of the Grand Ducal Family. It also provides an overview of the institution's organisation, finances, human resources and the use of public funds during the past year.

The report highlighted 2025 as a historic year for Luxembourg's monarchy, recalling the accession of Grand Duke Guillaume on 3 October, the 25th anniversary of Grand Duke Henri's reign, the official oath-taking ceremony at the Chamber of Deputies, the nationwide "Feierlech Tournée" celebrations, the Te Deum service at Notre-Dame Cathedral and the new Head of State's first courtesy visits abroad to Belgium, Germany and the Netherlands.

The report also provided an overview of the Grand Ducal Family's official engagements in 2025. During the year, Grand Duke Guillaume carried out 145 official visits and engagements in Luxembourg and 23 abroad. The Head of State also held 74 audiences and meetings with national authorities, 22 meetings with foreign and international authorities, presided over fifteen ambassadorial accreditation ceremonies and audiences, attended 35 official ceremonies and events, and met representatives of civil society and the business community on 28 occasions.

From a financial perspective, personnel costs remained the largest expenditure item, accounting for nearly 62% of current expenditure. Personnel costs increased to €14.55 million in 2025, compared with €13.64 million in 2024, while the allowance allocated to the Grand Ducal Family rose to €843,711. Operating costs totalled €2.94 million.

Public events and official activities recorded the sharpest increase, rising from almost €650,000 in 2024 to €5.47 million in 2025. According to the report, the organisation of the Trounwiessel accounted for €5.01 million in expenditure borne directly by the Maison du Grand-Duc, including €4.25 million for the design, production and organisation of the nationwide celebrations held on 4 October. Capital expenditure also increased to €2.11 million.

Overall, the provisional accounts for 2025 amounted to €25.91 million, compared with €19.39 million in 2024, representing 102.5% of the institution's initial budget of €25.27 million.

The report also provided an overview of the Maison du Grand-Duc's workforce. As of 31 December 2025, the institution employed 120 staff members across three sites: 56 at the Grand Ducal Palace, 54 at Berg Castle and ten at Fischbach Castle. Women accounted for 48.3% of employees and men for 51.7%. The workforce included 100 full-time and twenty part-time staff, while twelve new employees were recruited during 2025 and three members of staff retired. During the summer, the Maison du Grand-Duc also employed 38 students to support guided tours of the Grand Ducal Palace and assist with maintenance and administrative work.

The full 2025 activity report is available on the Maison du Grand-Duc's website.