Sai Kung North refers collectively to the areas on the southern side of Tolo Harbour and the northernmost part of the Sai Kung Peninsula.

[1] Geographically it is a practical exclave of Tai Po District, along with Shek Ngau Chau, Tap Mun and Tung Ping Chau.

It includes the following areas: The area historically relied on ferry transport from Tai Po Kau, until the pier there was relocated to Ma Liu Shui.

The opening of Sai Sha Road and the development of Ma On Shan has made road transport available to the areas to the west of Three Fathoms Cove.

[2] The Sai Kung North Rural Committee[3] comprises the villages in the area, some of which known collectively as Shap Sze Heung.