I probably have some of these mis-classified, but here it is. We only started staying at Hyatts in December 2009, and all of our travel is self-paid, so we can't possibly compete with some of you. I have included award, as well as paid, stays.

Park Hyatt: (6)
Tokyo
Shanghai
Paris Vendôme
Zurich
Beaver Creek, CO
Chicago

Grands, Regencies & Hyatts: (26)
Denver
Erawan, Bangkok
Montreal
O'Hare
Chicago (Wacker Dr.)
Pittsburgh Airport
Santa Clara, CA
Mainz, Germany
Warsaw, Poland
Madeleine, Paris, France
Indianapolis
Garden Grove, Orange County, CA
Mission Bay, CA
SFO Airport
Monterey, CA
Hangzhou, China
Rosemont (Chicago)
Mar Monte (Santa Barbara)
Valencia (CA)
Dulles Airport
Westlake Village, CA
Irvine, CA
Lisle, IL
Fairfax, VA
Palm Springs Suites
Long Beach, CA

Resorts: (7)
Hakone, Japan
Lake Tahoe
Tamaya (New Mexico)
Wild Oak Ranch, San Antonio, TX
Pinon Pointe, Sedona, AZ
Huntington Beach, CA
Grand Champions, Palm Springs, CA

Hyatt Place: (10)
Denver Airport
Santa Fe, NM
Fremont, CA
Milwaukee, WI
Chicago Warrenville
Indianapolis Airport
Dublin, CA
Phoenix North
Sacramento Rancho Cordova, CA
Reno Tahoe Airport

Summerfield Suites (4)
El Segundo, CA
Austin, TX
Boulder, CO
Scottsdale Old Town (AZ)