I'm more than happy to name and shame -
Intercontinental Geneva - 4.25 CHF "city tax" per night.
(Note the charge is not included in any of their rates - CITY TAX OF CHF 4.25 NOT INCLUDED IN RATE )
-- and I just realised it's already been posted about
:
http://www.flyertalk.com/forum/9757895-post17.html
BTW, as I've written at another board, I cannot recommend this hotel.