- Serbia, officially the Republic of Serbia, is a landlocked country at the crossroads of Southeast and Central Europe, located in the Balkans and the Pannonian Plain. It shares land borders with Hungary to the north, Romania to the northeast, Bulgaria to the southeast, North Macedonia to the south, Croatia and Bosnia and Herzegovina to the west, and Montenegro to the southwest. Serbia claims a border with Albania through the disputed territory of Kosovo. Serbia has about 6.6 million inhabitants, excluding Kosovo. Its capital Belgrade is also the largest city.
- Chad (Wikipedia)
Chad, officially the Republic of Chad, is a country located at the crossroads of North and Central Africa. The landlocked country is bordered by Libya to the north, Sudan to the east, the Central African Republic to the south, Cameroon to the southwest, Nigeria to the southwest (at Lake Chad), and Niger to the west. Chad has a population of 16 million, of which 1.6 million live in the capital and largest city of N’Djamena. With a total area of around 1,300,000 km2 (500,000 sq mi), Chad is the fifth-largest country in Africa and the twentieth largest nation by area in the world.