Gwlad ac Iaith Yma gallwch ffurfweddu' r gosodiadau iaith, rhifau, ac amser i' ch ardal penodol. Gan amlaf bydd yn ddigon i ddewis y wlad lle y trigwch. Er enghraifft, dewisa KDE "Almaeneg" yn iaith os dewiswch "Yr Almaen" o' r restr. Newida hefyd y fformat amser i ddefnyddio 24 awr a defnyddio atalnod fel gwahanydd degol.
Country/ Region & Language From here you can configure language, numeric, and time settings for your particular region. In most cases it will be sufficient to choose the country you live in. For instance KDE will automatically choose "German" as language if you choose "Germany" from the list. It will also change the time format to use 24 hours and and use comma as decimal separator.