
Ecumenopolis (; ; ) is the hypothetical concept of a planetwide city. It is primarily known as a stock setting in
science fiction
Science fiction (often shortened to sci-fi or abbreviated SF) is a genre of speculative fiction that deals with imaginative and futuristic concepts. These concepts may include information technology and robotics, biological manipulations, space ...
, but has also received serious consideration in theoretical city planning and futurist concepts.
Description
The word was invented in 1967 by the
Greek
Greek may refer to:
Anything of, from, or related to Greece, a country in Southern Europe:
*Greeks, an ethnic group
*Greek language, a branch of the Indo-European language family
**Proto-Greek language, the assumed last common ancestor of all kno ...
city planner
Constantinos Apostolou Doxiadis to represent the idea that, in the future,
urban area
An urban area is a human settlement with a high population density and an infrastructure of built environment. Urban areas originate through urbanization, and researchers categorize them as cities, towns, conurbations or suburbs. In urbani ...
s and
megalopolis
A megalopolis () or a supercity, also called a megaregion, is a group of metropolitan areas which are perceived as a continuous urban area through common systems of transport, economy, resources, ecology, and so on. They are integrated enough ...
es would eventually fuse, and there would be a single continuous worldwide city as a progression from the current
urbanization
Urbanization (or urbanisation in British English) is the population shift from Rural area, rural to urban areas, the corresponding decrease in the proportion of people living in rural areas, and the ways in which societies adapt to this change. ...
,
population growth
Population growth is the increase in the number of people in a population or dispersed group. The World population, global population has grown from 1 billion in 1800 to 8.2 billion in 2025. Actual global human population growth amounts to aroun ...
,
transport
Transport (in British English) or transportation (in American English) is the intentional Motion, movement of humans, animals, and cargo, goods from one location to another. Mode of transport, Modes of transport include aviation, air, land tr ...
and
human networks.
According to Doxiadis, it was the fifteenth level of
ekistic units and the most significant one as the uppermost echelon of the classification. This concept was already current in science fiction in 1942, with
Trantor in
Isaac Asimov
Isaac Asimov ( ; – April 6, 1992) was an Russian-born American writer and professor of biochemistry at Boston University. During his lifetime, Asimov was considered one of the "Big Three" science fiction writers, along with Robert A. H ...
's
''Foundation'' series. When made public, Doxiadis' idea of ecumenopolis seemed "close to science fiction", but today is "surprisingly pertinent" according to geography researchers Pavle Stamenovic, Dunja Predic and Davor Eres,
especially as a consequence of
globalization
Globalization is the process of increasing interdependence and integration among the economies, markets, societies, and cultures of different countries worldwide. This is made possible by the reduction of barriers to international trade, th ...
.
Doxiadis also created a scenario based on the traditions and trends of urban development of his time, predicting at first a European eperopolis ("continent city") which would be based on the
area
Area is the measure of a region's size on a surface. The area of a plane region or ''plane area'' refers to the area of a shape or planar lamina, while '' surface area'' refers to the area of an open surface or the boundary of a three-di ...
between
London
London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...
,
Paris
Paris () is the Capital city, capital and List of communes in France with over 20,000 inhabitants, largest city of France. With an estimated population of 2,048,472 residents in January 2025 in an area of more than , Paris is the List of ci ...
,
Rhine-Ruhr
The Rhine-Ruhr metropolitan region () is the Metropolitan regions in Germany, largest metropolitan region in Germany, with over ten million inhabitants. A wikt:polycentric, polycentric conurbation with several major urban concentrations, the reg ...
and
Amsterdam
Amsterdam ( , ; ; ) is the capital of the Netherlands, capital and Municipalities of the Netherlands, largest city of the Kingdom of the Netherlands. It has a population of 933,680 in June 2024 within the city proper, 1,457,018 in the City Re ...
. In 2008, ''
Time
Time is the continuous progression of existence that occurs in an apparently irreversible process, irreversible succession from the past, through the present, and into the future. It is a component quantity of various measurements used to sequ ...
'' magazine coined ''
Nylonkong'' to link
New York City
New York, often called New York City (NYC), is the most populous city in the United States, located at the southern tip of New York State on one of the world's largest natural harbors. The city comprises five boroughs, each coextensive w ...
,
London
London is the Capital city, capital and List of urban areas in the United Kingdom, largest city of both England and the United Kingdom, with a population of in . London metropolitan area, Its wider metropolitan area is the largest in Wester ...
, and
Hong Kong
Hong Kong)., Legally Hong Kong, China in international treaties and organizations. is a special administrative region of China. With 7.5 million residents in a territory, Hong Kong is the fourth most densely populated region in the wor ...
as the eperopolis of the
Americas
The Americas, sometimes collectively called America, are a landmass comprising the totality of North America and South America.''Webster's New World College Dictionary'', 2010 by Wiley Publishing, Inc., Cleveland, Ohio. When viewed as a sing ...
,
Euro-Africa and
Asia-Pacific respectively.
In popular culture
Before the term had been created, the concept had been previously discussed. The American religious leader
Thomas Lake Harris (1823–1906) mentioned city-planets in his verses, and science fiction author
Isaac Asimov
Isaac Asimov ( ; – April 6, 1992) was an Russian-born American writer and professor of biochemistry at Boston University. During his lifetime, Asimov was considered one of the "Big Three" science fiction writers, along with Robert A. H ...
used the city-planet
Trantor as the setting of some of his ''
Foundation'' novels.
In
science fiction
Science fiction (often shortened to sci-fi or abbreviated SF) is a genre of speculative fiction that deals with imaginative and futuristic concepts. These concepts may include information technology and robotics, biological manipulations, space ...
, the ecumenopolis has become a frequent topic and was popularized in 1999 by the fictional city planet
Coruscant in the ''
Star Wars
''Star Wars'' is an American epic film, epic space opera media franchise created by George Lucas, which began with the Star Wars (film), eponymous 1977 film and Cultural impact of Star Wars, quickly became a worldwide popular culture, pop cu ...
'' franchise, which is the capital of the
Galactic Republic (later
Empire
An empire is a political unit made up of several territories, military outpost (military), outposts, and peoples, "usually created by conquest, and divided between a hegemony, dominant center and subordinate peripheries". The center of the ...
) and home to the
Jedi Order. Other ecumenopolises feature in ''Star Wars'' media, including
Hosnian Prime,
Nar Shaddaa and
Taris.
In ''
Dune
A dune is a landform composed of wind- or water-driven sand. It typically takes the form of a mound, ridge, or hill. An area with dunes is called a dune system or a dune complex. A large dune complex is called a dune field, while broad, flat ...
'', the Harkonnens' home world of Giedi Prime is a heavily polluted ecumenopolis infamous for its gladiator arenas.
The concept is depicted in the video game ''
Stellaris'', where players are given the option of transforming planets into ecumenopolises, which provides a great deal of housing and space for industrial production through the construction of
arcologies, at the cost of making the planet's natural resources inaccessible.
A central setting in the
tabletop wargame ''
Warhammer 40,000'' is a portrayal of Earth in the far future, where it is described as having been transformed into a vast,
Gothic-style ecumenopolis sometime during the 30th millennium AD after its establishment as the capital of an interstellar superpower known as the Imperium of Man. The ecumenopolis contains multiple continent-scale districts housing different branches of society and government, with the Imperial Palace alone taking up the entirety of the
Himalayan Mountains. It is the focus of the "Siege of Terra" storyline of the wider ''
Horus Heresy'' tie-in novel series.
In ''
Magic: the Gathering'', the plane of
Ravnica is an ecumenopolis.
DC Comics
DC Comics (originally DC Comics, Inc., and also known simply as DC) is an American comic book publisher owned by DC Entertainment, a subsidiary of Warner Bros. Discovery. DC is an initialism for "Detective Comics", an American comic book seri ...
continuity features
Darkseid
Darkseid () is a supervillain appearing in American comic books published by DC Comics. Created by writer-artist Jack Kirby, the character first made a cameo appearance in ''Superman's Pal Jimmy Olsen'' #134 (December 1970), before being fully in ...
's extra-dimensional home planet of
Apokolips
Apokolips is a fictional planet that appears in American comic books published by DC Comics. The planet is ruled by Darkseid, established in Jack Kirby's Fourth World series, and is integral to many stories in the DC Universe. Apokolips is co ...
, often depicted as a hellish world covered entirely in industrial sprawl to feed Darkseid's brutal empire.
The manga and film of ''
Blame!'' by
Tsutomu Nihei is set in a far future in which Earth has become the ruins of planet-covering city, which is suggested to be so large that it has consumed most of the Solar System as well, it may also be along the lines of a
hollow-world or
dyson shell. Some of his other works also take place in this same setting.
See also
*
Arcology
Arcology, a Blend word, portmanteau of "architecture" and "ecology",. is a field of creating architectural design principles for very densely populated and Sustainable development, ecologically low-impact human habitats.
The term was coined in ...
*
Conurbation
A conurbation is a region consisting of a number of metropolises, cities, large towns, and other urban areas which, through population growth and physical expansion, have merged to form one continuous urban or industrially developed area. In most ...
*
Ecumene
*
Ekistics
Ekistics is the science of human settlements Doxiadis, Konstantinos ''Ekistics'' 1968 including regional, city, community planning and dwelling design. Its major incentive was the emergence of increasingly large and complex conurbations, tending ...
*
Megacity
A megacity is a very large city, typically with a population of more than 10 million people. The United Nations Department of Economic and Social Affairs (UN DESA) in its 2018 "World Urbanization Prospects" report defines megacities as urban a ...
*
Megalopolis
A megalopolis () or a supercity, also called a megaregion, is a group of metropolitan areas which are perceived as a continuous urban area through common systems of transport, economy, resources, ecology, and so on. They are integrated enough ...
*
Megastructure
A megastructure (or macrostructure) is a very large artificial object, although the limits of precisely how large vary considerably. Some apply the term to any especially large or tall building. Some sources define a megastructure as an enorm ...
*
Merger (politics)
A merger, consolidation or amalgamation, in a political or administrative sense, is the combination of two or more political or administrative entities, such as municipalities (in other words cities, towns, etc.), counties, districts, etc., int ...
*
Metropolis
A metropolis () is a large city or conurbation which is a significant economic, political, and cultural area for a country or region, and an important hub for regional or international connections, commerce, and communications.
A big city b ...
*
Principles of intelligent urbanism
*
Urban sprawl
Urban sprawl (also known as suburban sprawl or urban encroachment) is defined as "the spreading of urban developments (such as houses and shopping centers) on undeveloped land near a city". Urban sprawl has been described as the unrestricted ...
*
World government
World government is the concept of a single political authority governing all of Earth and humanity. It is conceived in a variety of forms, from tyrannical to democratic, which reflects its wide array of proponents and detractors.
There has ...
References
External links
*
*
{{Science fiction
Urban studies and planning terminology
Human habitats
Cities
Types of cities
Proposed arcologies
Megastructures
Fictional populated places