The regions of Iceland are mainly used for statistical purposes. The district court jurisdictions use them. The postal code system follows the regions as well with a few exceptions. Before 2003 the regions were also used for elections to parliament.

These regions are not defined by law. They have no official standing or administrative function. They are used to divide Iceland for certain purposes.

The health care system in Iceland is divided into 7 health care districts. These are the same as the 8 regions of Iceland with one exception. The Northwestern region and the Northeastern region which are a single health care district.

#	Name	Population (2022)	Area (km2)	Area (mi2)	Main city/town
1	Capital Region	240,882	1,046	404	Reykjavík
2	Southern Peninsula	29,108	813	314	Keflavík
3	Western Region	17,019	9,527	3,678	Akranes
4	Westfjords	7,205	8,842	3,414	Ísafjörður
5	Northwestern Region	7,405	13,108	5,061	Sauðárkrókur
6	Northeastern Region	31,161	22,677	8,756	Akureyri
7	Eastern Region	11,031	15,706	6,064	Egilsstaðir
8	Southern Region	32,437	30,983	11,963	Selfoss