OSM tag name=Πλακουλίθρα matches Plakoulithra in these Wikidata fields:
| Ionian Islands | boundary=administrative, place=islet, place=island, admin_level |
| Islands of Attica | boundary=administrative, place=islet, place=island, admin_level |
| Islands of Greece | boundary=administrative, place=islet, place=island, admin_level |
| Landforms of Islands (regional unit) | boundary=administrative, place=islet, place=island, admin_level |