Hiiu County

Hiiu County () is one of the 15 counties of Estonia. It is the smallest county both in terms of area and population. It is made up of Hiiumaa, the second-largest island of Estonia, and several smaller islands near it.
Municipalities.
The county has 1 rural municipality - Hiiumaa Parish. The only urban settlement, Kärdla, is part of the parish since 2017.