Portland, Isle of
- a rocky limestone peninsula on the south coast of England, in Dorset. Its southernmost tip is known as the Bill of Portland or Portland Bill. The peninsula is quarried for its fine building stone.波特兰岛（英格兰南海岸多塞特一多岩石的石灰岩半岛, 位于多塞特地区, 其最南端称为波特兰的比尔或波特兰比尔, 人们在该半岛上建立采石场以采取其优良的建筑石材）。