The most common and most likely answer to this crossword clue is the 10 letter word MICRONESIA
I've seen this crossword clue in The Daily Telegraph
M
I
C
R
O
N
E
S
I
A
More clues leading to the result MICRONESIA
- End up accepting witches I found in Pacific lands
- Old bags one put in train, turning up somewhere in Pacific
- Nomadic Romanies overwhelming outwardly idyllic archipelago
- Witches and I end up touring Pacific lands
- With time to spare, foolishly romanticise a far-off place
- Scenario unfolding on busy route, somewhere in the north-west Pacific
- Appallingly, I aim to imprison old ladies in Pacific islands
- Small car to tour one’s island, or islands
- End up touring island with witches in part of Oceania
- Nice Maoris relocating to a subregion of Oceania
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.