Thousands of lives across Wales have been improved by volunteers whose vital work has been celebrated by the Welsh Government during national Volunteers Week.
Mae miloedd o fywydau ledled Cymru wedi cael eu gwella gan wirfoddolwyr y mae eu gwaith hanfodol wedi cael ei ddathlu gan Lywodraeth Cymru yn ystod Wythnos Genedlaethol Gwirfoddolwyr.