London

London (ロンドン) is the capital and largest city of England and the United Kingdom as a whole.

Principles
As the capital city of a country with a large magical foundation, London is the home of many magical facilities and persons. The city is separated by a unique administrative divisions known as boroughs.

Magical Infrastructure
There are various magical defensive systems in place both in and around London in order to protect the capital. One of these defensive formations, intended to defend the capital from invaders, is the England-Londinium Fortress, which extends 88km out from London into the countryside. The three outer layers consist of long walls of dried grass in the country fields, manipulated by crop circles and then ignited to produce walls of fire. The innermost layer, the complex triple-quadruple final barrier, manifests as a dome enclosing the capital. It is generated by a core located in the Tower of London.

Background
London's history extends back two millennia, with the Roman settlement of as its first iteration, established in 47 AD.

Toaru Majutsu no Index SS: Necessarius Special Admission Test
London was the setting for the initial events concerning the Amakusas' admission test to Necessarius,  as well as a plot to destroy the city's magical foundation by members of the "pound economy".

British Royal Family Arc
London was the site of many of the key events surrounding Carissa's coup d'état.

Return to England Arc
During the Crowley's Hazard invasion of the United Kingdom, the final barrier of the England-Londinium Fortress was activated to prevent the invaders from reaching the capital. After Kamijou Touma destroyed the barrier's core in the Tower of London and Aleister Crowley entered London, the city's landscape was drastically altered by the activation of the Divine Mixtures.

Locations

 * British Library
 * British Museum
 * Buckingham Palace
 * Hammersmith
 * Blythe Road
 * 36 Blythe Road
 * Lambeth
 * Lambeth Palace
 * Necessarius Women's Dormitory
 * St. George's Cathedral
 * Little Venice
 * Necessarius Underground Labyrinth
 * Red Star Monastery
 * Royal Academy of Arts
 * Seven Days Church
 * St. Gabriel Church
 * St. Julian's Cathedral
 * Sword Sanctuary
 * Tower of London
 * Westminster Abbey

Others

 * The City Library, where grimoires are kept in the storage room
 * A Public Cemetary, where the bodies of great men are preserved in a storage vault
 * The Living Mansion