Llywodraeth Cymru sy'n trefnu'r digwyddiad yn Neuadd y Ddinas gyda Chynhadledd y Rhanbarthau Morol Ymylol (CPMR), rhwydwaith Ewropeaidd sydd ag aelodau o 160 o ranbarthau ar draws yr UE a thu hwnt.
The Welsh Government is organising the event at City Hall with the Conference for Peripheral Maritime Regions (CPMR), a European network which has members from 160 regions from across the EU and beyond.