It is connected to Zhuhai through a land bridge 200-metre wide, and is connected to Taipa Island by two bridges. The longest axis (4-kilometre) extends from the northeastern Portas do Cerco (關閘) to the southwestern Barra (媽閣嘴). There is a western Inner Harbour (內港), and a eastern Outer Habour (外港). The 93-metre Guia Hill (松山) is the highest point on the peninsula, which is, on an average, 50- to 75-metre. Many marginal places are reclaimed from sea.
The peninsula is divided into five regions, nominally parishes, but have no authority: