All answers are countries and am stuck on one ;
Where posh society stash their money in a haze (6).
Can only think of Monaco, but think my lack of both being posh and having any money are holding me back he he.
Seen answered as TUVALU, this being an anagram ('in a haze') of U (posh, as in U/non-U) VAULT (where they might stash their money). I've got nothing better to offer!