This is the 439th most frequent Lithuanian word.
rusijoje
"In Russia" (locative case of "Rusija").
Here, 'Rusijoje' is used in the locative case to indicate the location where the verb 'studijavo' (studied) takes place.
Ji studijavo Rusijoje dvejus metus.
She studied in Russia for two years.
In this sentence, 'Rusijoje' is again in the locative case to describe the location of the historical places.
Rusijoje yra daug gražių istorinių vietų.
There are many beautiful historical places in Russia.
Here, 'Rusijoje' is used to express the place associated with the action of visiting, demonstrated through the verb 'lankęsis'.