The workshop site, City University of Hong Kong, is at the cross point of train line (KCR) and subway line (MTR). You can get here easily by taking KCR or MTR and get off at Kowloon Tong station.
You can search for hotels in Hong Kong on the following website: http://www.discoverhongkong.com/eng/mustknow/accommodation/index.jhtml. To search for hotels near the workshop site, choose "Accommodation Search" and "Mong Kok, Kowloon" as Hotel Location, and then click on "List All".
We suggest the following hotels, which are close to KCR and MTR stations:
B P International House
Booth Lodge
Dorsett Seaview Hotel
Eaton Hotel
Holiday Inn Golden Mile
Hotel Concourse
Hotel Nikko Hong Kong
Hyatt Regency Hong Kong
Nathan Hotel
Newton Hotel Kowloon
Park Hotel
Royal Park Hotel
Royal Plaza Hotel
The Kowloon Hotel
The Salisbury - YMCA of Hong Kong
YMCA International House