Since devolution, the Welsh Government has signed Memoranda of Understanding (MoU) with a number of regions including Brittany, the Basque Country, Flanders and most recently Baden Württemberg.
Ers datganoli, mae Llywodraeth Cymru wedi llofnodi Memoranda Cyd-ddealltwriaeth gyda nifer o ranbarthau gan gynnwys Llydaw, Gwlad y Basg, Fflandrys ac, yn fwyaf diweddar, Baden Württemberg.