Singapore consists of the island of Singapore
and some 58 islets within its territorial waters.
It is situated approximately 136.8 kilometres
north of the Equator. The main island is about
42 kilometres in length and 23 kilometres in
breadth, and 580.6 square kilometres in area.
It has a coastline of approximately 150.5 kilometres.
The total land area, including the islets,
is 639.1 square kilometres.
Singapore's immediate neighbours are
Malaysia (Peninsular Malaysia, to the north
Sabah and Sarawak to the east) and Indonesia
to the south. Singapore is linked with Peninsular
Malaysia by a 1,056-metre long causeway,
which carries a road, a railway and a water
pipeline across the Strait of Johor.