The capital of Iceland is Reykjavik, which was founded 8/18/1786. Reykjavik has been the capital since 1944.
Reykjavik is the largest city in Iceland and functions as: Houses all government institutions.
Reykjavik is located at 64.1265° N, 21.8174° W, at an elevation of 26' ft.
Source: https://flic.kr/p/Zn1VcR