The prime minister is appointed formally by the president and exercises executive authority along with the cabinet subject to parliamentary support.

The prime minister is appointed by the president under the Constitution of Iceland, Section II Article 17, and chairs the Cabinet of Iceland: The prime minister's office is located in the Governing Council (Stjórnarráðið), Reykjavik, where their secretariat is based and where cabinet meetings are held.

[4] The prime minister has a summer residence, Þingvallabær in Þingvellir.

The prime minister also has a reception house in Tjarnargata, Reykjavik, which was the prime ministerial residence until 1943.

[5] Political party: Home Rule Independence Conservative Progressive Independent Political party: Independence Progressive Social Democratic Party Social Democratic Alliance Left-Green