The region of Vojvodina is a disputed area between which two countries?

The region of Scarborough Marsh is a disputed area between which two countries?

Which country disputes the sovereignty of the region of the Gulf of Fonseca with multiple countries including El Salvador, Honduras, and Nicaragua?

Which country disputes the sovereignty of the region of Machu Picchu with Peru?

The region of Chagos Archipelago is a disputed area between which two countries?