| 100% | MESOPOTAMIA | 11 | Ancient region of SW Asia between the Rivers Euphrates and Tigris |
| 57% | ETRURIA | 7 | Ancient region of central Italy between the Rivers Tiber and Arno |
| 45% | KASHMIR | 7 | Region of SW central Asia disputed between India, Pakistan and China since 1947 |
| 43% | URAL | 4 | River forming part of the boundary between Europe and Asia |
| 41% | DEAN | 4 | Forest of —, region between the Rivers Severn and Wye |
| 41% | SHATTALARAB | 11 | River in SE Iraq formed by the confluence of the Tigris and Euphrates Rivers |
| 38% | LYDIA | 5 | Ancient region on the coast of W Asia Minor |
| 38% | LYDIA | 5 | Ancient region on the coast of western Asia Minor |
| 38% | LYDIA | 5 | Ancient region on the coast of west Asia Minor |
| 36% | IRAQ | 4 | Land of the Tigris and Euphrates |
| 36% | CAMARGUE | 8 | Region of southern France between the Mediterranean and the channels of the Grand and Petit Rhone |
| 36% | NOVASCOTIA | 10 | It lies between the Bay of Fundy and the Saint Lawrence River |
| 35% | SUMER | 5 | Mesopotamian region along the Tigris and the Euphrates |
| 35% | TWRCH | 5 | River that formed the ancient boundary between Brecknockshire and Carmarthenshire |
| 35% | IRAQ | 4 | Country where the Tigris and Euphrates rivers meet |
| 35% | ARAS | 4 | River forming part of the border between Azerbaijan and Iran |
| 35% | MOSELLE | 7 | River forming part of the border between Germany and Luxembourg |
| 35% | EDEN | 4 | Source of the Tigris and Euphrates, per Genesis |
| 35% | ILLYRIA | 7 | Ancient region on the Adriatic Sea including parts of present-day Albania, Croatia and Montenegro |
| 35% | WEALD | 5 | The —, region of southeast England between the North and South Downs |
| 35% | EBRO | 4 | River that was the ancient dividing line between Rome and Carthage |
| 35% | EDEN | 4 | Origin of the Tigris and the Euphrates, in Genesis |
| 35% | ODER | 4 | River that forms part of the border between Germany and Poland |
| 35% | TAMAR | 5 | River that forms most of the border between Cornwall and Devon |
| 35% | ORINOCO | 7 | River that forms part of the border between Colombia and Venezuela |
| 35% | MOSELLE | 7 | River that forms part of the border between Germany and Luxembourg |
| 35% | DOURO | 5 | River that forms part of the border between Spain and Portugal |
| 35% | RIONEGRO | 8 | River that forms part of the border between Colombia and Venezuela |
| 35% | ILLYRIA | 7 | Ancient region on the Adriatic Sea that includes parts of present-day Montenegro, Albania and Croatia |
| 35% | ELBE | 4 | River that formed part of the border between East and West Germany |