OSM tag name=Denny Island matches Denny Island in these Wikidata fields:
OSM tag name=Denny Island matches Denny Island, Monmouthshire in these Wikidata fields:
| Islands of Monmouthshire | place=islet, place=island, boundary=administrative, admin_level |
| Islands of the Bristol Channel | place=islet, place=island, boundary=administrative, admin_level |
| Islands of the River Severn | place=islet, place=island, boundary=administrative, admin_level |
| River islands of Wales | place=islet, place=island, boundary=administrative, admin_level |
| Uninhabited islands of Wales | place=islet, place=island, boundary=administrative, admin_level |