This is the 4654th most frequent Swedish word.
allen
"Allen" in Swedish means "the avenue" or "the alley" when referring to a tree-lined street or path.
Here, 'allen' is used to refer to an avenue, often lined with trees.
Jag vandrade längs allen på väg till museet.
I walked along the avenue on the way to the museum.
In this sentence, 'allen' again refers to an avenue but emphasizes the natural surroundings, specifically the oak trees.
Huset låg vid allen med stora ekar.
The house was located by the avenue with large oaks.
Here, 'allen' describes a pleasant, sunny avenue, typically one designed for walking.