It contains the major settlements of Llandudno, Llandudno Junction, Llanrwst, Betws-y-Coed, Conwy, Colwyn Bay, Abergele, Penmaenmawr and Llanfairfechan, and has a total population of 115,000, the vast majority of which lives along the coast.
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The River Conwy, after which the county borough is named, lies wholly within the area: rising in Snowdonia and flowing through Llanrwst and Trefriw en route to the Irish Sea by Conwy.