Electronic Public Open Competition, With The Criterion Of Assigning The Most Economically Advantageous Bid On The Basis Of Honor, For The Execution Of The Service: 'Piraeus Beach Handball 2025 & Amp; Piraeus Masters Beach Volley 2025 Budget € 138,500 Plus 24% Vat, In The Context Of Sub -Law 2 Of The Act "Sports Events And Actions" And Code Of Ips (Mis) 6027919 Funded By The Erda In Accordance With The Provisions Of Law 4412/2016, As Amended And In Force.