Islands Divided Between Several Countries

How many islands can you think of that are divided between at least two countries? And which countries are those? Only islands larger than 50 km2 are concerned in this quiz.
Quiz by Zefyrinus
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Last updated: June 7, 2021
First submittedAugust 29, 2012
Times taken5,268
Average score56.3%
Rating4.60
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Area in km2
Island
Country
Country
Country
785 753
New Guinea
Indonesia
Papua New Guinea
 
748 168
Borneo
Indonesia
Malaysia
Brunei
81 638
Ireland
Ireland
United Kingdom
 
73 929
Hispaniola
Dominican Republic
Haiti
 
47 992
Isla Grande de Tierra del Fuego
Chile
Argentina
 
28 418
Timor
Indonesia
East Timor
 
9 234
Cyprus
Cyprus
Northern Cyprus (unrecognised)
United Kingdom
700
Corocoro Island
Venezuela
Guyana
 
452
Sebatik Island
Indonesia
Malaysia
 
445
Usedom
Germany
Poland
 
ca 327
Bolshoy Ussuriyskiy Island
Russia
China
 
92
Saint Martin
France
Netherlands
 
58
Abagaitu Islet
Russia
China
 
+2
Level 68
Aug 27, 2012
Researching how big these islands are, is very difficult. So if anyone know of other islands divided between at least two countries, and that are at least 50 km2 big, please let me know.
+4
Level 83
Jul 3, 2013
Good but very challenging quiz.
+1
Level 68
Jul 4, 2013
Thanks! :)
+1
Level 43
Aug 14, 2016
+ 1
+1
Level 68
Jul 5, 2016
Dall island between usa and canada
+1
Level 68
Aug 2, 2016
Thanks! I've updated.
+1
Level 75
May 2, 2017
Dall Island appears to be wholly a part of United States. The island's southernmost point is the start of the line delimiting where Alaska and BC meet along the Alaska Panhandle, but none of the island's territory is in Canada.
+1
Level 68
May 31, 2017
Retracted.
+1
Level 59
Aug 28, 2012
This was a very interesting and educational quiz! I got 15/22 :)
+1
Level 68
Aug 28, 2012
Thanks! :)
+1
Level 45
Jan 31, 2014
20/32
+1
Level 53
Mar 4, 2014
St Maarten should be accepted for Saint Martin,
+1
Level 68
May 13, 2014
Hmm, okay. I'll add that too.
+1
Level 83
Mar 18, 2014
Nice quiz, good concept. I got 23 but didn't know the names of the islands shared by Russia and China. It's strange how easy it is to forget such an obvious answer as Tierra del fuego! (I got it but only aftrer trying Chile and Argentina as possible countries).
+1
Level 74
May 30, 2014
You could see this link:

http://en.wikipedia.org/wiki/List_of_divided_islands

+1
Level 68
Jun 2, 2014
That's exactly what I've used + some other sources.
+1
Level 75
Dec 24, 2015
Nice quiz!
+1
Level 68
May 16, 2016
Thank you! :)
+1
Level 37
Oct 27, 2016
Why was I only given partial credit for the islands I named?
+2
Level 68
Oct 27, 2016
What do you mean?
+1
Level 55
Nov 9, 2016
there's one island divided by Finland & Sweden and one by Denmark & Canada
+1
Level 68
Nov 9, 2016
Ah, you must be talking about either Kataja, Märket or Koiluoto. They're all really tiny, and I only include islands larger than 50 km2. Which island is divided by Denmark and Canada?
+2
Level 72
May 2, 2017
Possibly Hans? Although it's tiny (1.3 km2) and disputed rather than divided between Canada and Denmark (on behalf of Greenland)
+1
Level 42
Mar 6, 2022
But it is not really divided just claimed by both Denmark and Canada.
+1
Level 76
Dec 11, 2016
Nice quiz
+1
Level 68
Dec 11, 2016
Thanks! :)
+1
Level 74
Jun 21, 2018
And Passport Island between Saudi Arabia and Bahrain.
+1
Level 68
Jun 23, 2018
Way too small.
+3
Level 63
Apr 12, 2019
How about Cuba? U.S. base at Guantanamo.
+1
Level 71
Jan 22, 2020
I thought the same. If Cyprus is recognized as three different countries, Cuba should be on the list.
+1
Level 68
Aug 1, 2020
The Guantanamo base is not US territory in some legal sense. They're only renting the base from Cuba.
+5
Level 81
Sep 24, 2021
It's not really a rental when the landlord isn't allowed to stop renting it out. Cuba has been trying to reclaim the territory that they supposedly own since 1959 and hasn't accepted any payments since then. Also, in 1934, the US unilaterally changed the payment from gold coin to US dollars. Renters can't unilaterally alter their contract with their landlord. It's fun to pretend that the US is only renting, though!
+1
Level 49
Aug 29, 2021
they are only sovereign over the base, its not part of their territory tho
+1
Level 62
Feb 3, 2021
Great but hard quiz. Could you accept dr for the Dominican Republic?
+1
Level 68
Jun 7, 2021
I've added this now.
+2
Level 66
Sep 24, 2021
Good and interesting quiz!
+1
Level 77
Sep 24, 2021
I have never seen an answer that 0% of all the quiz takers got right. That's something... Great quiz, anyway!
+1
Level 75
Sep 24, 2021
Fun quiz. Also accept Sint Maarten, which is the constituent country within the Kingdom of the Netherlands, which is what the Dutch side of Saint Martin is known as?
+1
Level 68
Sep 24, 2021
It is already accepted.
+1
Level 75
Sep 24, 2021
No it's not. Sint Maarten is incorrectly accepted as a type-in for Saint Martin, the island, but it is not accepted for Netherlands, which it should be, because Sint Maarten, the Dutch half of that island, is a constituent country of the Kingdom of the Netherlands.
+1
Level 68
Oct 11, 2021
Oh, you mean like that. I'm using the Jetpunk definition of a country, so Sint Maarten is excluded. Now, this is a bit inconsistent since Northern Cyprus is included in this quiz, so I will have to make considerable changes. I need to think about how to organize this...
+1
Level 73
Sep 24, 2021
I'm wondering how you are able to get multiple answer columns
+1
Level 68
Oct 11, 2021
Just add more columns in the "Add / Delete Cells" section, and then choose "Cell Type: Answer".
+1
Level 55
Oct 12, 2021
Aland Islands?

(Finland & Sweden)

+1
Level 58
Mar 5, 2022
They're disputed, not divided