Which country uses the internet country code domain ".ie"?

Which country uses the internet country code domain ".fi"? Which country uses the internet country code domain ".pl"? Which country uses the internet country code domain ".at"? Which country uses the internet country code domain ".be"? Which country uses the internet country code domain ".pt"? Which country uses the internet country code domain ".gr"? Which country uses the internet country code domain ".ru"? Which country uses the internet country code domain ".kr"?