This is the 569th most frequent Slovak word.
strán
The Slovak word "strán" is the genitive plural form of "strana," meaning "sides" or "pages" in English, depending on context.
The word "strán" in this sentence refers to "pages" of a book, used as the genitive plural form in Slovak.
Kniha má 200 strán.
The book has 200 pages.
Here "strán" means "sides" or "parties" in a discussion or conflict, again in the genitive plural form.
Poznám názory oboch strán.
I know the opinions of both parties.
In this sentence, "strán" indicates "sides" or entities involved in a topic, used in the genitive plural case.