I'd say the Shire would be the one of the only ones Tolkien could really relate to, because he was from a period of time that didn't include digital effects or all the other things we have in movies these days.
I must say he would have loved King Theoden's speech in RotK, and the whole grandness of the Rohirrim.
I think he wouldn't have minded the idea of Elves at Helm's Deep much, at least until they started fighting so freakishly...
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