Llandudno and Creuddyn forms a small peninsula to the north - east across the Conwy estuary .
The east of the county is part of Vale of Conwy , with the River Conwy forming much of the eastern boundary .
Llandudno and Creuddyn forms a small peninsula to the north - east across the River Conwy estuary .
The east of the county is part of Vale of Conwy , with the River Conwy forming much of the eastern boundary .