This is the 3733rd most frequent Polish word.
litwy
"Litwy" is the plural form of "Litwa," meaning "Lithuanias" or referring to Lithuania in a poetic or historical context.
In this sentence, 'Litwy' refers to Lithuania, used in the nominative plural form to describe this country as subject.
Litwy są pięknym krajem pełnym historii.
Lithuania is a beautiful country full of history.
Here, 'Litwy' appears in the locative plural form to signify the place where the traveling occurs.
Podróżuję po Litwy, podziwiając krajobrazy.
I travel around Lithuania, admiring the landscapes.
In this context, 'Litwy' is in the genitive singular form, indicating possession in the phrase referring to Lithuania's history.