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Biggest cities in 20° rectangles, on a world map

Name the biggest urban area in each rectangle of 20° latitude and longitude. Populations are given.
Source: citypopulation.de and Wikipedia.
Not included cities with a population under 10,000.
Continent versions here.
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Geografen
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Last updated: July 27, 2025
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First submittedJanuary 27, 2025
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Average score69.0%
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Pop
City
7.05 M
Abidjan
1.45 M
Adelaide
19.8 k
Akureyri
4.32 M
Algiers
13.0 k
Anadyr
249 k
Anchorage
3.15 M
Antananarivo
35.9 k
Apia
296 k
Arkhangelsk
1.53 M
Auckland
3.72 M
Baku
21.8 M
Bangkok
5.30 M
Belo Horizonte
272 k
Bergen
10.6 M
Bogotá
22.8 M
Cairo
5.10 M
Cape Town
4.45 M
Casablanca
12.9 M
Chennai
9.60 M
Chicago
377 k
Christchurch
199 k
Comodoro
Pop
City
7.80 M
Dallas
139 k
Dededo
35.7 M
Delhi
23.1 M
Dhaka
191 k
Fianarantsoa
72.7 M
Guangzhou
1.56 M
Helsinki
41.4 k
Hilo
13.7 k
Hithadhoo
197 k
Hobart
2.85 M
Hohhot
852 k
Honolulu
29.5 M
Jakarta
14.8 M
Johannesburg
7.20 M
Khartoum
16.3 M
Kinshasa
315 k
Kupang
21.3 M
Lagos
12.0 M
Lima
15.1 M
London
17.1 M
Los Angeles
458 k
Macapá
Pop
City
27.8 M
Manila
5.20 M
Melbourne
25.4 M
Mexico City
34.1 k
Mirny
1.06 M
Morelia
18.8 M
Moscow
27.6 M
Mumbai
6.90 M
Nairobi
21.8 M
New York
176 k
Norilsk
34.1 k
Nukuʻalofa
19.9 k
Nuuk
124 k
Papeete
11.5 M
Paris
2.35 M
Perth
547 k
Piura
33.9 k
Ponta Delgada
364 k
Port Moresby
141 k
Praia
4.10 M
Recife
239 k
Reykjavik
2.65 M
Salt Lake City
Pop
City
3.27 M
Sanaa
7,50 M
San Francisco
8.40 M
Santiago
22.6 M
São Paulo
2.50 M
Sapporo
4.47 M
Seattle
1.51 M
Sendai
41.6 M
Shanghai
8.80 M
Shenyang
63.4 k
South Tarawa
185 k
St. John's
420 k
Surgut
185 k
Suva
3.85 M
Tashkent
16.8 M
Tehran
11.8 k
Tiku Selatan
5.00 M
Ürümqi
8.65 M
Washington
24.5 k
Whitehorse
367 k
Yakutsk
19.6 k
Yellowknife
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4 Comments
+1
Level 61
Feb 19, 2025
Can you accept 'dc' for Washington?
+1
Level 70
Feb 20, 2025
Accepted now.
+1
Level 68
Feb 26, 2025
Like it. Aren't Edmonton and Calgary both in the same square as Salt Lake City though? They're both much bigger.
+1
Level 87
Feb 26, 2025
The given population for SLC is 2.62 million, which implies it's metro area, not city proper. In that case, neither Calgary nor Edmonton is anywhere near that big.