As of 2018, which country has no medals at the Winter Olympics but has 4 Summer Olympics medals?

What did they win at?

caliro, Summer Olympics medals: men's judo, triple jump, and handball; women's pole vault.

What did Iceland get medals in???

Maestro13, I tapped on the source at the bottom of the page. While it was the exact same explanation, it went into great detail about a lot of other countries, but never answered yours. 😏