This is the 5787th most frequent Swedish word.
hills
The Swedish word "hills" does not exist; it might be a misunderstanding or misspelling.
Here, 'kullarna' is used in the plural form to describe geographical elevations, i.e., hills in nature.
Jag älskar att promenera i de gröna kullarna på sommaren.
I love walking in the green hills during the summer.
'Kullar' is used as indefinite plural to refer to small hills encountered during physical activities.
Under idrottslektionen sprang vi uppför några små kullar.
During the sports class, we ran uphill on some small hills.
In this sentence, 'kullar' illustrates a decorative element in landscape description, emphasizing the beauty and contours of the terrain.