Porec 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 in 1997 was designated a UNESCO World Heritage Site. The town of Porec is almost 2,000 years old, and is set around a harbor protected from the sea by the small island of Sveti Nikola/San Nicola. The town's population of approximately 12,000 resides mostly on the outskirts, while the wider Porec area has a population of approximately 17,000 inhabitants. The municipal area covers 142 square kilometres, with the 37 kilometres long shoreline stretching from the Mirna River near Novigrad/Cittanova to Funtana and Vrsar/Orsera in the south. Ever since the 1970s, the coast of Porec and neighboring Rovinj has been the most visited tourist destination in Croatia.