To place the hundred within the county, see The Hundreds of Hampshire, a map from HMSO Boundary Commissioners, dated 1832, provided by A Vision of Britain through Time; or this map on Wikimedia Commons.
Kings Somborne Hundred is located northwest of Southampton. It surrounds the ancient Borough of Romsey. The Hundred and its individual parishes are covered in Volume 4 of the Victoria County History for Hampshire
List of Parishes
Parish | Description | Notes
| Ashley | parish (ancient), civil parish | ( - 1834)
| Farley Chamberlayne | parish (ancient), civil parish | ( - 1834)
| Houghton | parish (ancient), civil parish | (1834 - )
| Kings Somborne | parish (ancient), civil parish |
| Leckford | parish (ancient), civil parish | ( - 1834)
| Little Somborne | chapelry, civil parish | ( - 1834)
| Longstock | parish (ancient), civil parish | ( - 1834)
| North Baddesley | parish (ancient), civil parish | (1834 - )
| Romsey | parish (ancient), civil parish | ( - 1866)
| Romsey Extra | civil parish | (1866 - )
| Romsey Infra | civil parish | (1866 - )
| Stockbridge | chapelry, civil parish | ( - 1834)
| Timsbury | parish (ancient), civil parish |
| Upper Eldon | parish (ancient), civil parish | (1858 - )
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