The Dion Islands were first sighted and roughly charted by the French Antarctic Expedition in 1909.

Jester Rock was surveyed in 1948 by the Falkland Islands Dependencies Survey, and so named by the UK Antarctic Place-Names Committee because of its association with Emperor Island.

[1] This article incorporates public domain material from "Jester Rock".

Geographic Names Information System.

This Fallières Coast location article is a stub.