Twin Towns in the UK
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| UK town | UK region | Overseas town/region | Overseas country |
| Gateshead | Tyne & Wear | Komatsu | Japan |
| Gateshead | Tyne & Wear | St-Etienne-Du-Rouvray | France |
| Gedling | Nottinghamshire | Mesolongion | Greece |
| Gedling | Nottinghamshire | Rotenburg An Der Fulda | Germany |
| Gedling | Nottinghamshire | Vandoeuvre Les Nancy | France |
| Gillingham | Dorset | Le Neubourg | France |
| Gillingham | Kent | Yokosuka & Ito | Japan |
| Girvan | South Ayrshire | Torcy | France |
| Glanford | North Lincolnshire | Gifhorn | Germany |
| Glasgow | Glasgow | Havana | Cuba |
| Glasgow | Glasgow | Dalian | China |
| Glasgow | Glasgow | Nurnberg | Germany |
| Glasgow | Glasgow | Rostov-On-Don | Russia |
| Glasgow | Glasgow | Turin | Italy |
| Glastonbury | Somerset | Bretenoux | France |
| Glastonbury | Somerset | Glastonbury | USA |
| Glenfield | Leicestershire | Ernee | France |
| Glenfield | Leicestershire | Stelle | Germany |
| Glenrothes | Fife | Boblingen | Germany |
| Glossop | Derbyshire | Bad Vilbel | Germany |
| Gloucester | Gloucestershire | Gloucester | USA |
| Gloucester | Gloucestershire | Gouda | Netherlands |
| Gloucester | Gloucestershire | Metz | France |
| Gloucester | Gloucestershire | St Ann | Jamaica |
| Gloucester | Gloucestershire | Trier | Germany |
| Glynneath | Neath & Port Talbot | Pont-Eveque | France |
| Godalming | Surrey | Joigny | France |
| Godalming | Surrey | Mayen | Germany |
| Goodleigh | Devon | Rosel | France |
| Goole | East Riding Of Yorkshire | Zlotow | Poland |
| Goring | Oxfordshire | Belleme | France |
| Gorseinon & Llwchwr | Swansea | Ploermel | France |
| Gosfield | Essex | Chouze-Sur-Loire | France |
| Gosport | Hampshire | Royan | France |
| Govilon | Monmouthshire | Misillac | France |
| Grampian | Grampian | Houston | USA |
| Grangemouth | Falkirk | La Porte | USA |
| Grantham | Lincolnshire | St Augustin | Germany |
| Grantown-On-Speay | Highland | Notre Dame-De-Monts | France |
| Grasby | Lincolnshire | St-Remy-De-Sille | France |
| Gravesham | Kent | Cambrai | France |
| Gravesham | Kent | Neumunster | Germany |
| Great And Little Shelford | Cambridgeshire | Verneuil-En-Halatte | France |
| Great Aycliffe | Durham | Perstorp | Sweden |
| Great Ayton | North Yorkshire | Ouzouer-Sur-Loire | France |
| Great Barford | Bedfordshire | Wollstein | Germany |
| Great Cornard | Suffolk | Languidic | France |
| Great Dunmow | Essex | Dourdan | France |
| Great Massingham | Norfolk | St-Clement | France |
| Great Waltham | Essex | Ceyrat | France |
| Great Yarmouth | Norfolk | Rambouillet | France |
| Greenock | Inverclyde | Coatesville | USA |
| Greenwich | London | Tema | Ghana |
| Greenwich | London | Berlin-Reinickendorf | Germany |
| Greenwich | London | Maribor | Slovenia |
| Guildford | Surrey | Freiburg Im Breisgau | Germany |
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