Sjernarøy is a former municipality in Rogaland

Rogaland

is a county in Western Norway, bordering Hordaland, Telemark, Aust-Agder and Vest-Agder. It is the center of the Norwegian petroleum industry, and as a result of this, Rogaland has the lowest unemployment rate of any county in Norway, 1.1%...

 county, Norway.

Sjernarøy was separated from Nedstrand

Nedstrand

Nedstrand is a village and a former municipality in Rogaland county, Norway.The village is located on the south-eastern coast of Nedstrandhalvøya, and its population is 241 ....

 January 1, 1868. At that point Sjernarøy had 922 inhabitants.

On January 1, 1965 Sjernarøy joined Fisterøyene (The Fister islands) in Fister

Fister

Fister is a small village near Stavanger in the Hjelmeland municipality on the south-western Norwegian coast. Fister has the highest average temperature in Norway. It is visited by many tourists each year...

, a part of Jelsa

Jelsa, Norway

Jelsa is a former municipality in Rogaland county, Norway.The parish of Jælse was established as a municipality January 1, 1838 . In 1859 the municipality was divided, the district of Sand becoming a municipality of its own...

, and Finnøy

Finnøy

Finnøy is a municipality in Rogaland county, Norway. It is an island community located in Boknafjorden, 13 nautical miles north of Stavanger.The parish of Finnø was established as a municipality on 1 January 1838...

 municipality to form the new municipality known as Finnøy

Finnøy

Finnøy is a municipality in Rogaland county, Norway. It is an island community located in Boknafjorden, 13 nautical miles north of Stavanger.The parish of Finnø was established as a municipality on 1 January 1838...

. At that time Sjernarøy had 819 inhabitants.

Sjernarøy consist of several small and larger islands:
Kyrkjøy, Bjergøy, Eriksholmen, Tjul, Hestholmen, Nord-Hidle, Aubø, Helgøy and Nord-Talgje.