Portsmouth City Council has used the council’s Geographic Information System (GIS) to calculate the geographic centre of Portsmouth.
Geographic centres
- land only geographic centre is approximately 31 Kenyon Road, North End – British National Grid Reference: 465625.99 102495.00
- geographic centre of Portsmouth’s administrative area, which includes the sea, is approximately Whaley Road, Whale Island – British National Grid Reference: 463702.95 102490.95.