According to the official KL Open website :
The KL Open will be held at the Olympic Sports Hotel where we are proposing a package of 7 nights stay on a twin sharing basis in a superior or deluxe room (inclusive of breakfast) together with meet and greet airport transfers for just USD 200. Subject to room type, each additional night would be charged between USD 35-45.
Number of rooms: 155
Address: Jalan Hang Jebat,, Kuala Lumpur, 50150 Malaysia
The location is in between Petaling Street and Bukit Bintang shoopping area. About 15mins walk to Bt Bintang, 15mins walk to Petaling Street and Chinatown, 15mins walk to Puduraya Terminal.