This is the 391st most frequent Lithuanian word.
apskrities
"District" or "county."
Apskrities is used as an attributive noun to indicate ownership or belonging—here, the hospital belongs to the county.
Apskrities ligoninė teikia platų specialistų paslaugų spektrą.
The county hospital provides a wide range of specialist services.
Apskrities here describes the border (siena) by contextualizing it as belonging to the county.
Turizmo informacijos centras yra vos keli kilometrai nuo apskrities sienos.
The tourist information center is just a few kilometers from the county border.
Apskrities modifies the noun (teritorija), specifying that it is within the mentioned county.