The development now underway will further strengthen the spa's regional role and year-round appeal.
The Sabolic site has already established a world-leading aircraft parts and turbine repair capability.
In autumn 2022, the second phase of work on the 3,000-square-metre shopping centre in Kisvárda was completed.
In Kisvárda, the biomass heating plant under construction will also be connected to the supply of district heating for the hospital and the residential sector.