The Object Of The Contract Is The "Supply And Placement Of The Metal Structures For Highlighting In The Courtyards Of The Church Of Agia Sophia", In Accordance With The "Study Of The Interaction Of The New Structures For Highlighting With The Structural Elements Of The Monument Of Agia Sophia In Thessaloniki" (Prot. No. Yppo/406992/18-12-2025, Ad: 9T8346Nkot-6Bg Approval Decision), As Amended By The No. Prot. Yppo/145361/02-04-2026 Decision.