To ask where, you have to say kur:

Kur tu esi? Where are you?
Kur kalbėti? Where to speak?
O kur jos sesė? And where is her sister?
Dariau, kur eini? Darius, where are you going?
Dovile, kur mes einame? Dovilė, where are we going?
Kur gyvena jūsų tėvas? Where does your father live?