Solin is a town and a suburb of Split, in Split-Dalmatia county, Croatia. It is situated right northeast of Split, on the Adriatic Sea and the river Jadro.

The Cathedral of Saint Domnius, known locally as the Sveti Dujam or colloquially Sveti Duje, is the Catholic cathedral in Split, Croatia. The cathedral is the seat of the Archdiocese of Split-Makarska, currently headed by Archbishop Zdenko Križić. The Cathedral of St. Domnius is a complex of a church, formed from an Imperial Roman mausoleum, with a bell tower; strictly the church is dedicated to the Virgin Mary, and the bell tower to Saint Domnius. Together they form the Cathedral of St. Domnius.