This is the 7517th most frequent Polish word.
krymem
"krymem" is the instrumental form of "krym," meaning "Crimea" in Polish.
Here, 'krymem' refers to Crimea, a geographical location, in the instrumental case used after a preposition or verb to indicate the means or accompaniment of an action.
W czasie mojej podróży odwiedziłem Krym, który jest malowniczym miejscem.
During my journey, I visited Crimea, which is a picturesque place.
In this case, 'krymem' is used again as the name of the geographical region Crimea in the instrumental case, following a statement involving interest or association with an entity.
Czy interesowałeś się historią związaną z Krymem?
Have you been interested in the history related to Crimea?
Here, 'krym' is used to refer to Crimea in general, staying in the base nominative form for clarity in the sentence.