Sydney is a coastal basin with the Tasman Sea to the east, the Blue Mountains to the west, the Hawkesbury River to the north, and the Woronora Plateau to the south.
悉尼是一个沿海盆地，东濒塔斯曼海，西依蓝山，北临霍克斯伯里河，南靠沃罗诺拉高原。