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in the mainland is the most popular phrase on the web.

on the mainland 115,900,000 results on the web	in the mainland 117,500,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
It doesn't look like this phrase is very popular! The search could not find any examples on the internet.	registered 27592 persons in the mainland during June and July 2016 as asylum seekers whose application remains to be lodged. Developing gas networks, including LNG terminals, in new regions in the mainland and on the islands: They say, in the mainland, when people get sick, 3.38 Strengthening of existing connections of peripheral regions in the mainland in Greece They have been learning the procedures from students in the mainland. (6) It is necessary to prevent vessels registered in the outermost regions from being transferred and used in the mainland after benefiting from more favourable treatment as regards the granting of public aid and/or conditions for entry into the fleet. According to the available information [12], the Greek authorities have pre The bombing at Enniskillen, the rioting across large parts of Northern Ireland, and a clear attempt by the IRA to mount yet another bombing campaign in the mainland of the United Kingdom: all of these events must stand condemned.

on the mainland

115,900,000 results on the web

in the mainland

117,500,000 results on the web

More popular!

It doesn't look like this phrase is very popular! The search could not find any examples on the internet.

registered 27592 persons in the mainland during June and July 2016 as asylum seekers whose application remains to be lodged.
Developing gas networks, including LNG terminals, in new regions in the mainland and on the islands:
They say, in the mainland, when people get sick,
3.38 Strengthening of existing connections of peripheral regions in the mainland in Greece
They have been learning the procedures from students in the mainland.
(6) It is necessary to prevent vessels registered in the outermost regions from being transferred and used in the mainland after benefiting from more favourable treatment as regards the granting of public aid and/or conditions for entry into the fleet.
According to the available information [12], the Greek authorities have pre
The bombing at Enniskillen, the rioting across large parts of Northern Ireland, and a clear attempt by the IRA to mount yet another bombing campaign in the mainland of the United Kingdom: all of these events must stand condemned.