This is the 414th most frequent Lithuanian word.
baltarusijoje
"In Belarus."
In this sentence, 'Baltarusijoje' again shows a static location, implying where the action of visiting occurred.
Buvo labai šalta, kai lankėmės Baltarusijoje.
It was very cold when we visited Belarus.
The word 'Baltarusijoje' is the locative case of 'Baltarusija,' indicating a static location (in Belarus) in this sentence.
Mano draugas gyvena Baltarusijoje.
My friend lives in Belarus.
Similarly, 'Baltarusijoje' here establishes the location where the context of language usage applies.