EXHIBIT 21 SUBSIDIARIES OF PARK PLACE ENTERTAINMENT CORPORATION - ------------------------------------------------------------------------------- PARBALL CORPORATION a Nevada corporation dba Flamingo Hilton-Las Vegas and Bally's Las Vegas FLAMINGO HILTON-LAUGHLIN, INC. a Nevada corporation FHR CORPORATION a Nevada corporation dba Reno Hilton and Flamingo Hilton-Reno LVH CORPORATION a Nevada corporation dba Las Vegas Hilton BALLY'S PARK PLACE, INC. a New Jersey corporation GNOC, CORP. a New Jersey corporation dba Atlantic City Hilton ATLANTIC CITY COUNTRY CLUB, INC. A New Jersey corporation BI GAMING CORPORATION a Nevada corporation BALLY'S MIDWEST CASINO, INC. A Delaware corporation BALLY'S MARYLAND, INC. A Maryland corporation dba Ocean Downs Racetrack BALLY'S LOUISIANA, INC. a Louisiana corporation BALLY'S TUNICA, INC. A Mississippi Corporation BALLY'S OLYMPIA LIMITED PARTNERSHIP a Delaware partnership dba Bally's Saloon-Gaming Hall-Hotel PARK PLACE ENTERTAINMENT SCOTIA LIMITED A Canadian corporation PARK PLACE WINDSOR HOLDING, INC. A Canadian corporation GRAND CASINOS, INC. A Minnesota corporation GRAND CASINOS OF MISSISSIPPI, L.L.C.-GULFPORT a Mississippi Limited Liability Company dba Grand Casino Gulfport GRAND CASINOS OF MISSISSIPPI, INC.-BILOXI a Minnesota corporation dba Grand Casino Biloxi 77 BL DEVELOPMENT CORP. a Minnesota corporation dba Grand Casino Tunica CAESARS WORLD, INC. a Florida corporation ROMAN HOLDING CORPORATION OF INDIANA an Indiana corporation CAESARS PALACE CORPORATION a Delaware corporation CAESARS PALACE REALTY CORPORATION a Nevada corporation CAESARS NEW JERSEY, INC. a New Jersey corporation CAESARS SOUTH AFRICA, INC. a Nevada corporation DESERT PALACE, INC. a Nevada corporation dba Caesars Las Vegas and Caesars Tahoe BOARDWALK REGENCY CORPORATION a New Jersey corporation dba Caesars Atlantic City SHERATON TUNICA CORPORATION a Delaware corporation 78