Knight wearing robe in island monarchy (5)
I believe the answer is:
tonga
'island monarchy' is the definition.
'tonga' can be an answer for 'monarchy' (I've seen this before). I am unsure of the 'island' bit.
'knight wearing robe' is the wordplay.
'knight' becomes 'n' (chess abbreviation).
'wearing' indicates putting letters inside.
'robe' becomes 'toga' (I have seen 'Roman robe ' mean 'toga' so perhaps 'robe' could also mean 'toga').
'n' going into 'toga' is 'TONGA'.
'in' is the link.
Can you help me to learn more?
(Other definitions for tonga that I've seen before include "group of Pacific islands" , "S.W Pacific Kingdom" , "Horse-drawn vehicle" , "Islands once ruled by Queen Salote" , "Pacific island state" .)