Useful map related links

Listed below are links to other map-related sites that you may find useful. Please contact the Map Librarian if you find an interesting site that could be included here

Online Mapping

Historic Maps of Portsmouth

Portsmouth is one of the most mapped places in Britain. Below is a selection of historic map images that can be found online. Note that some early maps show planned defences rather than structures actually built. For detailed descriptions of early maps of Portsmouth see Hodson, D. (1978). Maps of Portsmouth before 1801: a catalogue. City of Portsmouth.

In October 2020 the British Library released 17,000 images of maps and views from George III’s Topographical Collection (K.Top) on the image-sharing site Flickr Commons. You can search for specific items via Explore. Add ‘George III’ to your search term in order to bring up only maps and views in the K.Top collection. When you have found the record for the item you require, select ‘I Want this’ and then look for 'Digitised item Go', which will take you to the relevant image(s) on Flickr.

An additional 32,000 images were released in July 2021, comprising George III’s collection of atlases and albums of views, plans, diagrams, reports and surveys, produced between 1550 and 1820. You can view the full collection on Flickr by visiting the Topographical collection of King George III.

Here are a selection of Portsmouth maps available online

16th Century
1545 [Plan of the fortifications of the town of Portsmouth] 
This is the earliest map of any town in Britain to be drawn entirely to scale.

17th Century
c.1660-1685 [A colored plan of the fortifications of the town of Portsmouth]

c.1668 [Portsmouth]

c.1689-1702 [A large outline plan of Portsmouth Dock-yard, and of the fortifications of the town of Portsmouth]

18th Century
1716 A Plan of Portsmouth, and parts adjacent, finish'd in the year 1716

1725 A Survey of Portsea Island

1743 A plan of Portsmouth and the harbour

1750 A plan of the town and fortifications of Portsmouth, with the Blockhouse Fort and the Gunwharfe
This map can be viewed as an overlay on a modern base map by visiting the British Library's Georeferencer

c.1750 A Plan of Portsmouth and Gosport

1750 A plan of Portsmouth and its harbour

1773 Plan of the island of Portsea, shewing the present fortifications of Portsmouth, Gosport, lines and out-forts

1780s A map of the encampments near Portsmouth, 1 July-18 November 1782

1797 Portsmouth

19th Century
1858 Winchester [Includes Portsmouth and Gosport]

1895 Portsmouth

20th Century
1913 Portsmouth & Southampton

Portsmouth - other online map resources

Portsmouth WWII Bomb Raids
Interactive map of Portsmouth that shows where high explosive bombs fell during the Blitz.

Historic maps of Gosport

1751 Plan of the Town of Gosport; with New Fortifications begun in the Year, 1748, shewing in Yellow the Works proposed to be completed


Equal Earth Political and Physical Wall Map
Large, free, public domain, high resolution world maps to download in JPEG and Adobe Illustrator formats. The maps are equal-area, so continents are shown at their true size relative to each other. Usefully, the political map can be centred on one of three different regions.

CIA World FactbookWorld and continental scale reference maps that can be downloaded in JPG or PDF formats. Each country profile has an associated GIF map.

United Nations Cartographic Section
General country profile maps in PDF format.

The largest crowd-sourced topographic map project in the world.

Great Britain

British Geological Survey Maps Portal
This excellent resource provides free access to view high resolution digital facsimiles of almost all small and medium scale maps produced by the British Geological Survey since mapping started in 1832. This is a great place to start exploring the geology of Great Britain and, when you've found a map that covers your area of interest, remember that most are available as paper copies from our Map Library (many on 4-day loan).

Charles Close Society Sheetfinder
Type a British or Irish address, postcode, or placename to display a list of Ordnance Survey One-Inch, 1:50,000 and six-inch County series map sheets for that location. The list often includes a direct link to that map so it can be viewed.

EDINA Services
National online services for the UK tertiary education and research community, including Digimap and UKBORDERS

Multi-Agency Geographic Information for the Countryside. A web-based interactive map that brings together geographic information on key environmental schemes and designations. Also regional and national static maps.

Old Hampshire Mapped
This interesting site presents early maps of Hampshire from 1575 to the mid-nineteenth century. High resolution map images include those by Saxton, Speed, Ogilby and Greenwood.

Old Sussex Mapped
This site provides access to a range of historical maps of Sussex from 1610-1837. It includes a bibliography of sources used and a comparative list of names used on the featured maps.

PhoneBooth is a project run by the LSE recreates Charles Booth’s socio-economic maps of London as an interactive digital website and smartphone app. The app enables users to plot their locations on Booth’s maps and retrieve his historic observations.

SABRE (The Society for All British and Irish Road Enthusiasts)
This society provides access to a variety of historic maps, including mid-20th century OS One Inch maps and 1920s Bartholomew maps.

A free viewer that provides a summary description of the soils at specified locations across England and Wales.


Southeast Asia Historical Maps
Explore historical maps of Singapore and Southeast Asia. The maps have been tagged so users can search for individual features, e.g. forts, temples, compass roses etc.


Geoscience Australia
Links to map indexes that provide free download of topographic maps at 1:50,000, 1:100,000, 1:250,000 and 1:1 million (coverage incomplete at scales larger than 1:250,000). There are also links to the local state mapping agencies. Queensland, for example, offers the QTopo service, with free to download maps at up to 1:10,000 scale.


A free web application that allows you to view standard NGI topographic maps and orthophotos.

Free access to a wide range of scanned historic maps of Belgium.


Free access to IGN maps and aerial photography

Access a range of data from France's geological survey (the BRGM), including geological maps from 1:1M to 1:50,000.


National Land Survey of Finland
The Citizen's MapSite allows the browsing and printing of NLS topographic maps covering all Finnish regions up to a scale of 1:16,000.


Map on Demand from the BKG
Map on Demand (MoD) is a web application that can be used to create print-ready maps from the Federal Agency for Cartography and Geodesy.


National Atlas of Hungary
The digital version of the National Atlas of Hungary, available to download chapter by chapter. The International Cartographic Association awarded 1st place to Vol.2, Natural Environment in the ICA Map Awards 2019, describing the publication as "A comprehensive, and detailed atlas. The cartography is lavish and sets Hungary’s natural environment in its human context. The maps are accompanied by numerous well presented graphs, text and infographics".


Iceland Map Window
Zooming in on this online map of Iceland provides access to high resolution raster images of the 1:100,000 map of Iceland, a series that is descibed on the National Land Survey of Iceland web site as being "among the most beautiful maps available of Iceland".


Access to publicly available spatial data fro Ordnance Survey Ireland, including aerial photography and historic 6 inch and 25 inch maps.


GSI Maps
Web mapping application with maps from the Geospatial Information Authority of Japan (in Japanese).


Environmental Health Atlas
The maps focus on environmental themes, including air and water quality. This is where you can access a digital version of the 1:50,000 Netherlands soil map (Bodemkaart van NL 1:50,000).

New Zealand

Map Chooser
Download free 1:50,000 maps of New Zealand in TIFF and GeoTIF formats.


Statens Kartverk is the principal survey and mapping organisation in Norway and their Norgeslart application provides zoomable maps for the whole of Norway up to a scale of 1:5,000.


Online mapping and data.


National Atlas of Spain
Brings together all three editions of the National Atlas on one site. Winner of the category "Digital Products (Maps and Digital images)" at the 24th International Cartography Conference in Santiago, Chile, 2009.


Swiss map viewer
A fantastic tool for the interactive presentation of Swiss topographic maps and thematic data. The 'journey through time' option allows you to layer maps of different dates, from the mid-19th century to the present day. Maps can be even be viewed in 3D.


USGS Map Locator and Downloader
High quality PDF maps of the USA, including 7.5 x 7.5 minute, 1:24,000 quadrangle series.

Gateways to maps and map collections

David Rumsey Map Collection
A superb historical map resource with images from one of the world’s largest private map collections.  More than 150,000 maps, with a particular focus on North and South America.

Old Maps Online
An easy-to-use gateway to historical maps in libraries around the world that allows the user to search for online digital historical maps across numerous different collections via a geographical search.

George III's Collection of Military Maps
This collection of military maps comprises some 3,000 maps, views and prints ranging from the disposition of Charles V's armies at Vienna in 1532 to the Battle of Waterloo (1815).

German World War II Captured Maps
A significant collection (more than 10,000) of digitised maps that were captured from the German military in the Second World War. The collection covers much of Europe.

Aerial photographs

Bing Maps
Excellent site for access to oblique aerial imagery. Right click on the map and choose "View bird's eye".

Historic England
Find out how to access the collection of more than 4 million aerial photos of England.

Statistics - including census and digital boundary data

Casweb - access to UK census aggregate data, 1971-2001.

House of Commons Library Constituency Dashboard - key statistics for parliamentary constituencies.

InFuse - access to aggregate data from the UK 2011 and 2001 censuses.

National Statistics

Map Societies and Organisations

British Cartographic Society

The Charles Close Society for the Study of Ordnance Survey Maps

National Mapping Organisations

British Geological Survey

Ordnance Survey

Ordnance Survey Ireland

Ordnance Survey of Northern Ireland

UK Hydrographic Office

Other Libraries

The British Library

National Library of Scotland

National Library of Wales

An extract from "A plan of the town and fortifications of Portsmouth, with the Blockhouse Fort and the Gunwharfe" by Desmaretz, 1750. From the BL King's Topographical Collection.