I’m from China where it is really a beautiful place.这句话有没有问题?

I’m from China where is really a beautiful place.where是关系副词，这样从句不是缺少主语了吗？感觉改成which is比较好看错了，这句话没有问题，就是感觉有点不通顺。感觉改成I’m from China which is really a beautiful place.比较好。