رده:جزیره‌ها بر پایه کشور

I don't have sufficient context to provide an accurate 2-sentence overview. You've indicated this is a "Wikimedia category" but haven't provided the actual category description, contents, or details about what "Category:Islands by country" contains. Without this information, I cannot write an overview based only on the provided context as you've requested.

AI-generated from the Wikipedia summary — may contain errors.