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.

Šabac is a city and the administrative center of the Mačva District in western Serbia. It is situated along the Sava river, near the mountain Cer, in the region of Mačva.

The etymology of name Šabac is uncertain, although its resemblance to the name of the Sava River is suggestive. This name is in use since the end of the 15th century. In Serbian, the town is known as Šabac, in Turkish as Böğürdelen, in German as Schabatz, and in Hungarian as Szabács.

Prior to 1990, Šabac had one of the best developed economies in Yugoslavia. The main industries of Šabac today are agriculture, transportation and food production. Since 2000, some of the more important companies are diary plant Mlekara Šabac, Elixir Group, Zorka Pharma, and Hesteel Serbia Iron & Steel - Tin mill.