Jump onto their website and they have a list of their properties. This is the list as of now:

Bluffs Run Casino (IA)
Harrah's Ak-Chin (AZ)
Harrah's Atlantic City (NJ)
Harrah's Cherokee (NC) - no table games
Harrah's Council Bluffs (IA)
Harrah's East Chicago (IN)
Harrah's Joliet (IL)
Harrah's Lake Charles (LA) - 2
Harrah's Lake Tahoe (NV ish)
Harrah's Las Vegas (NV)
Harrah's Laughlin (NV)
Harrah's Metropolis (IL)
Harrah's New Orleans (LA)
Harrah's North Kansas City (MO)
Harrah's Prairie Band (KS)
Harrah's Reno (NV)
Harrah's Shreveport (LA)
Harrah's St. Louis (MO)
Harrah's Tunica (MS)
Harrah's Vicksburg (MS)
Harveys Lake Tahoe (NV ish)
Rio All-Suite Hotel and Casino
Showboat Atlantic City