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Join Date: Sep 2009
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If you're gong to use Uber to/from the airport, there are some countryside castle hotels that I would suggest instead for a single night and good dinner near the airport. Mainz is a nice town to stroll around, but part of its attraction is the convenient train service to/from FRA.
Another small town alternative, in addition to Wiesbaden, is the wine village of Rudesheim, although I think the hotel choices there are more limited.