This is the 419th most frequent Estonian word.
ukrainasse
"To Ukraine" (illative case of "Ukraina").
"Ukrainasse" is in the illative case, indicating the destination of motion towards Ukraine.
Ma sõidan järgmisel nädalal Ukrainasse.
I am traveling to Ukraine next week.
"Ukrainasse" here also uses the illative case, emphasizing movement towards Ukraine as the new residence.
Meie sõbrad kolisid hiljuti Ukrainasse elama.
Our friends recently moved to Ukraine to live.
"Ukrainasse" in this context suggests motion or travel towards Ukraine, fitting with the verb of travel.