[4] It is located on the southwest coast of the island and is the historical seat of the Roman Catholic Diocese of Krk.

A temple to the Roman goddess Venus was discovered near the small gate (mala vrata) in the old city.

This is the only temple dedicated to the goddess Venus to be found on the eastern side of the Adriatic and it dates back to 1st century BC.

[9] The main square of the old city is called Kamplin: which is derived from the Latin word "campus", meaning field.

[5] The city was temporarily occupied by D'Annunzio in 1921 and twenty years later was integrated into the Italian Province of Fiume between 1941 and 1943.

From the 2011 Croatian census, there are 33 Dalmatian Italians present in Krk, correspond to 0.53% of the total population.

During the archaeological excavations carried out between 1956 and 1963 , Roman baths from the 1st century were discovered along the northern wall of the cathedral , a floor mosaic was unearthed and preserved in the cistern , the other parts are still covered with earth.

In accordance with the customs of the time, the baptistery was built next to the church in the area of one of the spa pools, as a special facility, which was used until 1565 .

Of the more important archaeological finds, two large and well-preserved Venus altars stand out, which are currently the only ones on the eastern coast of the Adriatic, from Greece to Italy.

Among the more important archaeological finds is the late-antique rampart, which was built from the remains of the Krk Venus temple - demolished in a panic to protect themselves from the onslaught of barbarians from northern and eastern Europe.