City of Portsmouth geographical area

including the geographic centre of the city

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.

Portsmouth geographic areas	hectares (ha)	acres	sq miles
Administrative area of land and sea	6,019.00	14,874.00	23.20
Land area	4,028.00	9,954.00	15.50
Sea area of Portsmouth Harbour	1,431.18	3,536.54	5.53
Sea area of Langstone Harbour	537.61	1,328.47	2.08

These figures have been calculated using the City Council’s Geographic Information System (GIS) and may be different to other published figures.

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including the geographic centre of the city

Geographic centres

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