En(x)clave Central!

Central Asia has a lot of enclaves shared between Uzbekistan, Tajikistan and Kyrgystan
This is a left over from Stalin era politics as suggested by the article

https://en.wikipedia.org/wiki/Barak,_Kyrgyzstan
https://en.wikipedia.org/wiki/Sarvan,_Tajikistan
https://en.wikipedia.org/wiki/Sokh_District
https://en.wikipedia.org/wiki/Shohimardon
https://en.wikipedia.org/wiki/Vorukh
https://en.wikipedia.org/wiki/Kayragach
https://en.wikipedia.org/wiki/Batken_Region#Enclaves_and_exclaves
https://en.wikipedia.org/wiki/Regions_of_Uzbekistan#Enclaves_and_exclaves

Seasonal Sovergnity

Pheasant Island is administered for alternating six months by France and Spain


https://en.wikipedia.org/wiki/Pheasant_Island
https://www.cntraveler.com/story/why-pheasant-island-is-sometimes-in-france-sometimes-in-spain
https://www.atlasobscura.com/places/pheasant-island

Caprivi Strip!

Caprivi Strip is a thin protrusion of Namibia. Politics never ceases to amaze one with such creations as Caprivi Strip



https://en.wikipedia.org/wiki/Caprivi_Strip

Island of Horses!

Sable Island, a thin sliver of sand belonging to Canada to a population of feral horses called "Sable Island Horse"

https://en.wikipedia.org/wiki/Sable_Island
https://en.wikipedia.org/wiki/Sable_Island_horse
http://www.bbc.com/travel/story/20150827-canadas-mysterious-fabled-sable-island