This cache is under the District Scout HQ series.
Hong Kong Scout has divided into 5 Regions and 44 Districts.
Each Region manages several districts and the District Council manage the Scout Groups within that district.
This cache is located at the District Scout Headquarters of Hong Kong Island Western District, which is under the Hong Kong Island Region of the Scout Association of Hong Kong.
District Badge

There are 18 Scout groups within the Hong Kong Island Western District, a list of the groups in this district can be view at: http://www.hkirscout.org.hk/tc/districts_groups/groups/western/index.html
For more infomation about the district, you can go to their website:

The District HQ is located on the 1st Floor of the Western Community Centre, which was the Old Tsan Yuk Maternity Hospital (Chinese: 舊贊育醫院) that founded in 1922, the main building is now classified as Grade 1 historic building.
The Conservancy Association Centre for Heritage (CACHe) is also located at the rear building of this community centre.

For more info about the Old Tsan Yuk Maternity Hospital, you can go to: https://en.wikipedia.org/wiki/Old_Tsan_Yuk_Maternity_Hospital
The Cache
The cache is outside the District HQ, you do not need to go into the HQ or the building to find it.
The opening hours of the community centre is: 8:30am to 10:00pm daily, but the cache can only be found 24/7.
** Please be stealth
** Please bring your own pen
** Please put cache back to original place.
** The cache is set to be very easy, just for teaching young scouts what is geocaching.
** Due to the surround buildings, GPS may be off, use hint.
** Beware of CCTV