Important old Russians in Nazi cars out of place (8)

I believe the answer is:

czarinas

I'm a little stuck... Click here to teach me more about this clue!

'important old russians' is the definition.
The definition and answer can be both people as well as being plural nouns.
Maybe you can see a link between them that I don't see?

'nazi cars out of place' is the wordplay.
'out of place' is an anagram indicator.
'nazi'+'cars'='nazicars'
'nazicars' anagrammed gives 'CZARINAS'.

'in' acts as a link.

Can you help me to learn more?

I've seen this clue in the Irish Times.

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