Herdla is a
former municipality in
Hordaland county,
Norway. The municipality existed from 1871 until 1964 and it encompassed a large group of about 2,000 islands and skerries covering about of land area, to the northwest of the city of
Bergen. The
administrative centre of the municipality was the small island-village of
Herdla (island). The municipality included the northern third of the island of
Holsnøy, the northern third of the island of
Askøy, and the islands of
Misje,
Turøy,
Toftøy,
Rongøy,
Blomøy,
Ona, Bognøy, and many smaller surrounding islands.