Ecology

There are 23, here is the list:
Shing Mun

Kam Shan

Lion Rock

Aberdeen

Tai Tam

Sai Kung East

Sai Kung West

Plover Cove

Lantau South

Lantau North

Pat Sin Leng

Tai Lam

Tai Mo Shan

Lam Tsuen

Ma On Shan

Kiu Tsui

Plover Cove (Ext.)

Shek O

Pok Fu Lam

Tai Tam (Quarry Bay Ext.)

Clear Water Bay

Sai Kung West (Wan Tsai Ext.)

Lung Fu Shan

and you can find the map here
http://www.afcd.gov.hk/tc_chi/country/cou_vis/cou_vis_cou/cou_vis_cou_1.html

There are also 4 marine parks and 1 marine reserve.