Qatar, officially the State of Qatar, is a sovereign Arab country, located in Western Asia, occupying the small Qatar Peninsula on the northeasterly coast of the Arabian Peninsula. Its sole land border is with Saudi Arabia to the south, with the rest of its territory surrounded by the Persian Gulf. Wikipedia

Serbia, officially the Republic of Serbia, is a country located at the crossroads of Central and Southeast Europe, covering the southern part of the Pannonian Plain and the central Balkans. Wikipedia