Overview
- Raffaele Rocco led the first round with 45.29% of the vote, ahead of Giovanni Girardini at 42.83%, forcing a head‑to‑head runoff.
- Rocco is backed by an autonomist–progressive alliance of Union Valdôtaine, Pour l’autonomie and the PD, plus the civic lists Rev and Stella Alpina Valle d’Aosta.
- Girardini runs with the center‑right coalition of Lega, Fratelli d’Italia, Forza Italia and La Renaissance.
- Voter participation dropped to 57.64% from 64.14% in the previous municipal election, sharpening both campaigns’ focus on mobilizing non‑voters.
- Alleanza Verdi–Sinistra (6.87%) and Vda Aperta (5.07%) were eliminated, while list results show Union Valdôtaine as the top party in Aosta and a steep decline for Lega compared with 2020.