に住んでみたい

would like to try living in

→ に
phrase Rare #42,269
would like to try living in The に marks the place, and 住んでみたい expresses a desire to try living there. It is often used with places such as cities or countries.
JA: いつか北海道に住んでみたい。
EN: I’d like to try living in Hokkaido someday.

トム今までに住んでみたいと思っていた場所はボストンだけだ

The only place Tom has ever wanted to live is Boston.

いつかヨーロッパに住んでみたい

I'd like to live in Europe someday.

そこに住んでみたい

I’d love to live there!