The Althingi is composed of 63 parliamentary seats, which are divided as follows between constituencies:
North-Western Constituency
[7]1) parliamentary seats
North-Eastern Constituency
10 parliamentary seats
Southern Constituency
10 parliamentary seats
South-Western Constituency
14]1) parliamentary seats
Reykjavík South
11 parliamentary seats
Reykjavík North
11 parliamentary seats
The North-Western Constituency shall have seven constituency seats and one adjustment seat. The North-Eastern Constituency and the Southern Constituency shall each have nine constituency seats and one adjustment seat. The South-Western Constituency shall have eleven constituency seats and two adjustment seats. The Reykjavík North and Reykjavík South constituencies shall each have nine constituency seats and two adjustment seats.
Notwithstanding the provisions of paragraphs 1 and 2, the National Electoral Commission may alter the number of constituency seats in each constituency in accordance with Article 10.
