"galle" is "gall", as in oak gall, but I think you may mean "légal" ("légale") = "legal"
Villes les plus peuplées du Pays de Galles mean: "the most populated cities in Wales".
Peter habite au pays de Galles > Peter lives in Wales
'le Pays de Galles' is the French name for 'Wales'.
Le Pays de Galles is the French name for Wales. Au Pays de Galles means 'in Wales'
Wales
Les informations mean 'the information' in English. In the context of watching TV, les informations are 'the news'.
Les trains means "the trains" in English.
"Les souliers" means "the shoes" in English.
Les framboises are 'the raspberries' in English.
"les gants" = "the gloves"
Do you mean 'les portes'? That means 'the doors' (:
dans les quatre means 'in the four' in English.