Icelandic nationality law
The primary law governing nationality of Iceland is the Icelandic Nationality Act (Icelandic: Lög um íslenskan ríkisborgararétt), which came into force on 1 January 1953. Iceland is a member state of the European Economic Area (EEA) and European Free Trade Association (EFTA).
Source: Wikipedia — Icelandic nationality law (CC BY-SA 4.0)