Kosovo–Serbia border

Sandžak (; ) is a historical and geo-political region in the Balkans, located in the southwestern part of Serbia and the eastern part of Montenegro. The Bosnian/Serbian term Sandžak derives from the Sanjak of Novi Pazar, a former Ottoman administrative district founded in 1865. Sandžak is inhabited by a majority of ethnic Bosniaks.

Dobrosin (, ) is a village located in the municipality of Bujanovac, southern Serbia.

thumb|Gollak region location Gollak (; ) or Gallap () is a mountainous and ethnographic region in the eastern part of Kosovo and partially in Serbia, bordering the Llap region to the North, the Kosovo field to the west, the Anamorava valley to the south and straddling along the border with Serbia. The cities of Pristina and Gjilan in Kosovo are located by the mountains. The highest peak, Bjeshka e Artanës, has an elevation of 1260 meters above sea level. Gollak itself is split into Upper Gollak and Lower Gollak.

highest point in the Kopaonik mountain range

Mountain peak on Kosovo-Serbia