Parenzo-Zelena Laguna coast

Poreč (Latin: Parens or Parentium; Italian: Parenzo; Ancient Greek: Πάρενθος, romanized: Párenthos) is a town and municipality on the western coast of the Istrian peninsula, in Istria County, Croatia. Its major landmark is the 6th-century Euphrasian Basilica, which was designated a UNESCO World Heritage Site in 1997.

The Euphrasian Basilica (Croatian: Eufrazijeva bazilika, Italian: Basilica Eufrasiana) or the Cathedral Basilica of the Assumption of Mary is a Roman Catholic basilica in the Istrian town of Poreč, Croatia. The episcopal complex, which comprises the basilica itself, a sacristy, a baptistery and the bell tower of the nearby archbishop's palace, is an excellent example of early Byzantine architecture in the Mediterranean region.

The Roman Catholic Diocese of Poreč and Pula (Croatian: Porečko-pulska biskupija; Latin: Dioecesis Parentina et Polensis) is a suffragan Latin diocese in the Ecclesiastical province of the Metropolitan Archbishopric of Rijeka on Istria peninsula, in Croatia.