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Biggest Cities by Trait #2

Can you guess the most populous urban area in each of these categories?
Based on urban area population according to citypopulation.de as of January 2026
Quiz by
Quizmaster
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Last updated: March 13, 2026
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First submittedFebruary 1, 2018
Times taken20,509
Average score75.0%
Rating4.46
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Biggest City
Population
Answer
where Islam is the majority religion
29.8 m
Jakarta
where Christianity is the majority religion
27.1 m
Manila
in Pakistan
21.8 m
Karachi
whose name starts with O
17.7 m
Osaka
in California
17.4 m
Los Angeles
which was part of the Belgian Empire
16.9 m
Kinshasa
originally founded by the the ancient Greeks
16.2 m
Istanbul
whose name ends in "burg"
15.1 m
Johannesburg
in Vietnam
14.7 m
Ho Chi Minh City
in the European Union
11.6 m
Paris
in a country not recognized by the UN
10.2 m
Taipei
on the Persian Gulf
6.65 m
Dubai
on the Baltic Sea
6.35 m
St. Petersburg
on the Mediterranean Sea
6.35 m
Alexandria
whose name ends in X
5.05 m
Phoenix
in the Horn of Africa
4.95 m
Addis Ababa
on the Mississippi River
3.28 m
Minneapolis
on the Caspian Sea
3.73 M
Baku
in Siberia
1.83 m
Novosibirsk
in Scotland
1.76 m
Glasgow
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26 Comments
Jiaozira
+19
Level 72
Feb 1, 2018
Johannesburg ends in "burg"!
WT2008
+1
Level 77
Feb 1, 2018
I was thinking the same thing.
ChipOtley
+1
Level 72
Feb 1, 2018
"Biggest city that ends in 'burg' not answered previously on this quiz" :-)
Quizmaster
+10
Level ∞
Feb 2, 2018
D'oh! Fixed.
kalbahamut
+12
Level 79
Jun 13, 2019
What was the answer before?
Evenultrapawn
+1
Level 65
Mar 13, 2026
St. Petersburg?
Freestatebear
+8
Level 88
Feb 1, 2018
Seems like kind of a stretch to say that Addis Ababa is in the Horn of Africa. I guess ii is by a political technicality - yes, Ethiopia IS one of the countries making up the HOA, but geographically, even if you draw a line from the northernmost point of Eritrea to the southernmost point in Somalia, the area demarcated doesn't include Addis Ababa.
Djilas
+7
Level 86
Feb 6, 2018
"The Horn of Africa denotes the region containing the countries of Djibouti, Eritrea, Ethiopia, and Somalia." says Wikipedia.

Similar to East Asia containing all of China, even though it stretches to Central Asia.

JonOfKent
+2
Level 61
Mar 13, 2026
"Similar to" in the sense of "not"? Surely no-one thinks Kashgar (somewhat further west than Delhi) is in East Asia?
HydratedMite
+1
Level 68
Mar 28, 2026
Other quizzes do and I hate it... especially since Russia and Turkey get to be in multiple continents but China can't even be in multiple regions of the same continent???
MrMagoo
+1
Level 84
Jun 8, 2018
Or how Vladivostok is in a European country?
TurkeyCookTime
+10
Level 85
Mar 7, 2020
Vladivostok is in a European country, but not in Europe. Same way that Honolulu is in a North American country, but not in North America
communisteggplant
+2
Level 74
Feb 2, 2018
A new geography quiz angle! Enjoyed it greatly.
Zebastian1
+1
Level 15
Jun 8, 2018
I was just curious to see the answers so I gave up halfway through 🤷‍♂️
Tramp
+1
Level 79
Jun 8, 2018
Largest city founded by the Greeks = Istanbul? It was founded by Roman emperor Constantine I.
mvpenner
+7
Level 85
Jun 9, 2018
Byzantium was founded by the Greeks circa 657BC. It was even the capital of the Roman Empire before Constantine took it over.
Tramp
+1
Level 79
Mar 14, 2026
My bad. I would have corrected myself there if you hadn't already done it six years ago!
mf3
+1
Level 90
Apr 2, 2026
(Correction) You mean EIGHT years ago!
ZenI
+3
Level 38
Sep 2, 2018
I'd love more of these quizzes. Even though I managed to miss Manila!
HinesBrothers
+2
Level 78
May 9, 2019
Great series! Would like to see more!
Maximirb13
+1
Level 78
Apr 4, 2021
Although I don't think any of the answers would change this quiz should be updated since the numbers of these cities are much higher now.
aquaticgiraffe
+1
Level 74
Jun 1, 2022
Is Yekaterinburg not considered part of Siberia?
Froststar101
+2
Level 73
Nov 26, 2023
It's not
loganite
+2
Level 94
Mar 13, 2026
Novosibirsk is in the Siberia Federal District, Yekaterinburg is in the Ural Federal District. Both are part of the greater region of Siberia. It doesn't matter, though, because Novosibirsk has a slightly larger population anyway.
sumguy
+4
Level 87
Mar 13, 2026
Capital M for Baku population (inconsistent capitalization).
Grahamp81
+2
Level 44
Mar 13, 2026
Really good quiz that made me go away and look at some of the answers. I now understand the difference between Magacity, Megalopolis and Agglomeration. The title says Cities and how that is defined really affect the answers.

I am not complaining about the answers really since there is such a debate on what is a city, what is a megacity and what the populations are.

As an example, I live in London where the City of London has a population of 15,000! while Greater London is 8m - 12m depending where you draw the boundary.

I investigated because I had Mexico City as the largest Christian city. Most source put about 20m and it took me a while to track down a reference for Manila being 27m (List of Agglomerations). Most references I could find put it at 2m for the city and 13m for Metro Manila.

The list of Megalopolises gives the Great Lakes as a single entity with a population of 55m, this would make it the largest Christian city.

Great work; more like this please.

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