Side by Side (Italian: Fianco a Fianco) is a social-democratic faction within the Democratic Party (PD), a political party in Italy.
The faction was formed in 2019 by Maurizio Martina, after his unsuccessful bid to become party's national secretary in the 2019 leadership election.[1] In the event, Martina obtained 22.0% of the vote in the "primary" election and was defeated by Nicola Zingaretti, who got 66.0%.[2]