# List of fortifications

This is a list of fortifications past and present, a fortification being a major physical defensive structure often composed of a more or less wall-connected series of forts.

## Individual fortifications

listed by name
* A Famosa, built in the 16th century in Malacca by the Portuguese following their defeat of the Malaccan Sultanate
* Alderney
* Alpine Wall
* Anastasian Wall, built in the 5th century across the Thracian peninsula for the protection of Constantinople
* Antonine Wall, built by the Romans in northern Britain
* Babylon Fortress in Old Cairo.
* Baggush Box
* Bar Lev Line
* Beijing city fortifications
* British anti-invasion preparations of the Second World War
** British hardened field defences of World War II
* Castle of Bouka, Preveza, Greece
* Brimstone Hill Fortress, Saint Thomas Middle Island, Saint Kitts and Nevis
* Cairo Citadel, Egypt
* Castle Islands Fortifications, Bermuda
* Chester city walls, Chester, England
* Corradino Lines, Paola, Malta
* Cottonera Lines, Cottonera, Malta
* Czechoslovak border fortifications
* Danevirke
* Devils Battery, Halifax Harbour, Nova Scotia
* Defense line of Amsterdam
* The Dutch Water Line, protecting the core provinces of the Netherlands, utilising the flooding of areas with water
* Elvas Fortifications, the largest bulwarked dry ditch system in the world, protecting the Portuguese garrison border town of Elvas
* Fortified district
** Molotov Line
** Stalin Line
* German World War II fortresses / Fortress Europe
** Alpine Fortress
** Atlantic Wall
** Festung Norwegen
** Festungsfront Oder-Warthe-Bogen
** Siegfried Line
* Floriana Lines, Floriana, Malta
* Fort Carré
* Fort Jesus, built in the 15th century in Mombassa by the Portuguese
* Götavirke (Sweden)
* Great Wall of China, built as a protection from the northern steppe nomads
* Great Abatis Border
* Gustav Line, a fortified German defensive line in Italy during the Second World War
* Hadrian's Wall, built by the Romans in northern Britain
* Hexamilion wall, built across the Isthmus of Corinth
* Hilsea Lines, built to protect Portsmouth
* Hindenburg line
* Humaitá
* Hindenburg Wall
* Intramuros, Manila
* Justinian Walls (in several locations along the borders of the Byzantine empire)
* Klis Fortress in Croatia
* Krepost Sveaborg, Imperial Russian First World War fortifications around Helsinki
* Limes Germanicus, Roman defensive line along the Rhine and in South-western Germany
* Limes Moesiae - defensive frontier system in Southeast Europe, a collection of Roman fortifications between the Black Sea shore and Pannonia, present-day Hungary, consisting primarily of forts along the Danube (so-called Danubian Limes) to protect the Roman provinces of Upper and Lower Moesia south of the river
* Lines of Torres Vedras, built to protect the Lisbon Region, during the Peninsular War
* London Wall, the Roman wall around the city
* Maginot Line, built by France in the 1930s
* Mannerheim Line, built by Finland across the Karelian Isthmus
* Metaxas Line, built during 1936–1940 by Greece along its frontier with Bulgaria
* Montségur
* National Redoubt (Belgium)
* Newcastle town wall
* Offa's Dyke, an 8th-century earthwork dividing England and Wales
* Grim's Ditch
* Per Albin Line (Sweden)
* Petrovaradin fortress, in Northern Serbia, Austrian fortress from the 18th century
* Rupel Fortress, in Northern Greece, later incorporated in the Metaxas Line
* Rupnik Line
* Santa Margherita Lines, in Cospicua, Malta
* Saxon Shore, in southern Britain and northern France
* Suomenlinna, an 18th-century fortress in Helsinki
* Valtellina Redoubt
* Victoria Lines, in northern Malta
* York city walls

## Articles relating to cities
### Europe

* Ceintures de Lyon, built in the 19th century to surround the city of Lyon, France
* Walled city of Jajce, Bosnia
* Walled city of Počitelj, Bosnia
* Walled city of Vratnik, Bosnia
* Walls of Constantinople (modern day Istanbul), surrounding the city since the 4th century
* Walls of Dubrovnik, Croatia
* Roman walls of Lugo, Galicia, surrounding the city since the 1st century
* Walls of Ávila, Spain
* Walls of Nicosia, Cyprus
* Walls of Ston, Croatia
* Fortifications of Antwerp, Belgium
* Fortifications of Birgu, Malta
* Fortifications of Chania, Crete, Greece
* Fortifications of Famagusta, Cyprus
* Fortifications of Heraklion, Crete, Greece
* Fortifications of London, England
** Lines of Communication (London), English Civil War fortifications built around London between 1642 and 1643
** London Defence Positions
** Outer London Defence Ring
** Military citadels under London
* Fortifications of Kotor, Montenegro
* Fortifications of Mdina, Malta
* Fortifications of Messina, Sicily, Italy
* Fortifications of Metz, France
* Fortifications of Portsmouth, England
* Fortifications of Senglea, Malta
* Fortifications of Valletta, Malta
* Defence lines of the Netherlands
* List of town walls in England and Wales
* Rocca di Manerba del Garda (Lombardy), Italy

### Africa

* Egypt