Pago Pago's place (5)
'pago pago's place' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for samoa that I've seen before include "Group of Polynesian 14s" , "Polynesian island group" , "Commonwealth country in the Pacific, capital Apia" , "SW Pacific island chain" , "Southwest Pacific island group" .)
(Other definitions for oceania that I've seen before include "Islands of the south Pacific -- a neo-CIA (anag)" , "The Pacific islands taken together" , "Islands of Pacific and adjacent seas" , "Large South Pacific region" , "group of islands" .)