1) Afterlife place 2) Death custom 3) Mythological island
Found on
https://www.crosswordclues.com/clue/brittia
BrittiaPronunciation-needed (Βριττία) according to Procopius was an island he considered to be known to the inhabitants of the Low Countries under Frankish rule (viz. the North Sea coast of Austrasia), corresponding both to a real island used for burial and a mythological Isle of the Blessed, to which the souls of the dead are transported. ...
Found on
http://en.wikipedia.org/wiki/Brittia
No exact match found.
