This is the 974th most frequent Latvian word.
lietuva
"Lietuva" is the Latvian name for Lithuania, a neighboring country.
The word "Lietuva" means Lithuania, and in this sentence, it refers to the country as a destination.
Es ceļoju uz Lietuvu.
I am traveling to Lithuania.
Here, "Lietuvas" is the genitive case of "Lietuva", used to show possession, indicating 'of Lithuania'.
Lietuvas galvaspilsēta ir Viļņa.
The capital of Lithuania is Vilnius.
"Lietuvu" is the accusative case of "Lietuva", used as the direct object of the verb 'talked about'.