This is the 211th most frequent Estonian word.
eestisse
"To Estonia" (indicating movement or direction toward Estonia).
In this sentence, 'Eestisse' is used to indicate the destination of the action of traveling.
Tahan sel suvel Eestisse reisida.
I want to travel to Estonia this summer.
Here, 'Eestisse' specifies the place where the movement or change of location is directed.
Sõber kolib Eestisse järgmisel kuul.
My friend is moving to Estonia next month.
In this question, 'Eestisse' is used to ask about a past or potential future instance of going to Estonia.