The company 's subsidiaries manage , franchise , own and develop hotels and resorts under the HyattÃ ‚ Â ® , Park HyattÃ ‚ Â ® , Andaz ( TM ) , Grand HyattÃ ‚ Â ® , Hyatt RegencyÃ ‚ Â ® , Hyatt PlaceÃ ‚ Â ® and Hyatt Summerfield Suites ( TM ) brand names and have locations under development on five continents .