Mainland

There is more than one place called Mainland:

Canada

 * In British Columbia, the "lower mainland" is the southwest corner of the province, Vancouver and its suburbs in area code +1-604.

China

 * The "mainland" is the People's Republic of China (as distinguished from Taiwan, an island nation)

Scotland

 * Mainland Shetland is the main island of the Shetland Islands.
 * Mainland Orkney is the main island of the Orkney Islands