[1] Born and growing up in Zadar (then official Zara),[2] from the old noble Dalmatian family of de' Vidovich, Counts Capocesto e Ragosniza; he was a close cousin of Ottavio Missoni.

Member of the municipal council of Trieste for more than ten years, he was also elected as city councilor in the town of Duino-Aurisina where he fought for the touristic development of Sistiana.

As president of the Rustia-Traine Foundation he participated actively in the creation of the Italian communities in Dalmatia: Zadar, Split, Hvar and Kotor.

The center promotes the publication – in collaboration with the Veneto Region – of numerous books on the cultural heritage of Dalmatia and Venice.

In 1996 he re-founded Il Dalmata, published since 1865 and abolished by Austria-Hungary in 1916; he later published, in 1992, Dalmatia region of Europe, followed by I Dalmati per Trieste and L'albo d'oro di nobili patrizi e nomi illustri nel Regno di Dalmazia ("Hall of honour of noble patricians and illustrious names in the Kingdom of Dalmatia").