Sofia

Sofia is the capital and largest city of Bulgaria located at the foot of Vitosha Mountain in the western part of the country, only 50 km from the Serbian border. It has a population of 1,300,000.

It is situated in western Bulgaria, in the Sofia Valley that is surrounded by the Balkan mountains to the north. Three mountain passes lead to the city, which have been key roads since antiquity, Vitosha being the watershed between Black and Aegean Seas. Sofia is one of the highest capitals of Europe, altitude of the city is 550 meters, and the surrounding mountains reaching over 2000 meters.

The city has 16 universities, including the University of Technology and the University "St. Kliment Ohridski", founded in 1888.

This Orthodox metropolis has a multitude of churches, among which the most important are Church of Saint George, Saint Sophia, the Church of the Holy Week and the Patriarchal Cathedral, Temple of Alexander Nevsky.

Aleksinac

Aleksinac is a town and municipality located in the southern Serbia. According to 2011 census, the town has a population of 16,420 inhabitants, while the municipality has 51,462.

The territory of the municipality of Aleksinac has been inhabited since the neolithic age. Most of the settlements in the area belong to the Vinča cultural group, and are located on the western side of the South Morava river.

Main industry in Aleksinac is metal industry, but large parts of municipality consists of arable land near the Morava river that is used for grain, maize and peppers. Coal industry was also dominant before fire accident in November 1989. Municipality of Aleksinac is rich in natural resources, especially in black coal, bitumen schist, gravel, sand and limestone.

Lake Bovan, situated 15 km from Aleksinac centre, is a place popular for tourists. The medieval monastery from the 15th century built by Despot Stefan Lazarević, St. Stefan in Lipovac, is 25 km from the city. The monastery is built beneath the slopes of Mt. Ozren (1175 m). There is also remnants of two medieval towns in the mountains surrounding Aleksinac: Bovan and Lipovac, however they are not well preserved.