Facing the South China Sea, Zhuhai is situated west to the Pearl River estuary of Guangdong Province. In the east, it faces Shenzhen and Hong Kong across the sea. In the south, it is adjacent to Macao, and its streets and buildings link up with those in Macao. In the north, it is 140 kilometers from Guangzhou. The total area including land and sea covers 7,649 square kilometers, while the vast sea occupies 6,000 square kilometers. With hills behind and the sea in front, Zhuhai has a varied landform, including mountains, plains, lakes and sea. Along the 731 kilometers coastline, the 146 islands in South China Sea has a total area of 236.9 square kilometers. Zhuhai is praised the title of "city of Hundred Islands".