Just started to stay at Hyatt hotels a couple of years ago. My list are as follow.

Hyatt Regency Hong Kong, Tsim Sha Tsui
Park Hyatt Washington, D.C.
Hyatt Regency Hua Hin
Park Hyatt Maldives
Grand Hyatt Erawan Bangkok
Andaz Wall Street
Park Hyatt Vienna
Park Hyatt Tokyo
Grand Hyatt Kuala Lumpur
Andaz San Diego
Andaz Amsterdam Prinsengracht
Hyatt Regency Phuket

Planned to stay later this year:
Grand Hyatt Berlin
Park Hyatt Hamburg
Grand Hyatt Macau
Grand Hyatt Cannes
Hyatt Regency Nice
Hyatt Paris Medeleine or Park Hyatt Paris Vendome (Not decided yet)
Grand Hyatt Taipei
Grand Hyatt Kauai or Andaz Maui (Not decided yet)