Gwent, a ymrannai'n ddwy ran, sef Gwent Is Coed a Gwent Uwch Coed, ac yn dair arglwyddiaeth, Cas-gwent, Brynbuga a’r Fenni

Ffurfiau: Dwywent, Gwentoedd, Gwent, Dwywent, Gwent, Dwywent, Gwent, y Teirgwent, Gwent, Dwywent, Gwent, Dwywent, Teirgwent, Gwent, Dwywent, Gwent, Dwywent, Gwent, Dwywent, Gwent, Dwywent, Gwent
Cyfeiriadau: 114.14n 114.40 117.48 125.12 125.2 19.19n 19.20 19.28 19.46 20.22 20.26 20.31 20.72 20a.36 20a.37 20a.63 22.18 22.34 22.46 22.55 22.59n 22.60 22.68 23.2 23.49 23.50 24.40 24.60 24.8n 25.13n 25.14 25.19 25.69n 26.4 26.45 26.51 27.56 27.8 28.34n 28.4 34.20n 34.27 35.14 36.5 4.12 4.18 4.2 4.23n 4.24 4.28 4.43 4.50 4.78 95.60

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