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Saint James's Church is situated on the area of the Benedictine Abbey which gave its name to Opatija. Most probably built in 1420, as a colony of Benedictine refugees from the Friulian monastery of Saint Peter in Rozac, the whole settlement will late be named after this abbey.
Today very little has been preserved of its original appearance: in 1506 abbot Simun reconstructed or built the church, according to the inscription above the portal; near the end of the 18th century the church was completely renovated, and in 1930 it was greatly expanded. Among its attraction, it houses a replica of Mestrović's relievos. Since early times, when it still stood isolated, the abbey was a site where court trials were held and served as a fairgrounds that on Saint James's Day attracted visitors from the surrounding countryside to sales and purchases of goods and dance, and situated in its neighbourhood where the first burial-ground for the dead of Opatija, while in the 19th century this was also the place of the first school in Opatija.
The building passed from hand to hand of a whole series of religious orders, from the Augustinians and Benedictines to the Jesuits and Paulists. Today, besides masses and prayers, chamber concerts are also held here.