
The Timok Valley is a geographical region in east-central Serbia around the Timok River. The Timok Valley corresponds to parts of two Serbian districts, with a total 2002 census population of 284,112.

The Beli Timok is a headwater of the Timok River in Serbia. It starts at the junction of the Svrljiški Timok River and the Trgoviški Timok River, in Knjaževac. It was also known as Knjaževački Timok.

Bogovina is a mining town located the municipality of Boljevac, eastern Serbia. As of 2011 census, it has a population of 1,151 inhabitants.

Boljevac is a town and municipality located in the Zaječar District of the eastern Serbia. According to 2011 census, the population of the town is 3,332, while population of the municipality is 12,865.

Brza Palanka is a town in eastern Serbia, on the right bank of the Danube. It is situated in the Kladovo municipality, in the Bor District. The population of the town is 860 people.

Donji Milanovac is a town in eastern Serbia. It is situated in the Majdanpek municipality, in the Bor District. It is located on the right bank of Lake Đerdap on the Danube. The population of the town is 2,410 people. Its name means "Lower Milanovac".

The Jasenička river is a river in eastern Serbia, a 55 km-long right tributary to the Danube.

Kladovo is a town and municipality located in the Bor District of eastern Serbia. It is situated on the right bank of the Danube river. The population of the town is 8,913, while the population of the municipality is 20,635.
Knjaževac is a town and municipality located in the Zaječar District of the eastern Serbia. As of 2011, the municipality has a population of 31,491 inhabitants, while the town has 18,404 inhabitants.

Majdanpek is a town and municipality located in the Bor District of the eastern Serbia. According to 2011 census, the municipality of Majdanpek had a population of 18,686 people, while the town of Majdanpek had a population of 7,699.

Negotin is a town and municipality located in the Bor District of the eastern Serbia. It is situated near the borders between Serbia, Romania and Bulgaria. It is the judicial center of the Bor District. The population of the town is 16,882, while municipality has a population of 35,000.

The Negotin Valley is a region in northeastern Serbia. It is isolated and distanced from other parts of Central Serbia. The Negotin Valley has unusual climatic features and hydropotential and geomorphologic sites.
Milutin Petrović was one of the vojvodas of the Serbian Revolutionary forces in the First Serbian Uprising against the Ottoman Empire, in charge of the Negotin area. His nom de guerre was Era. He and his brother Hajduk Veljko were one of the biggest heroes of the Uprising.

Veljko Petrović, known simply as Hajduk Veljko, was one of the vojvodas of the Serbian Revolutionary forces in the First Serbian Uprising against the Ottoman Empire, in charge of the Negotin area. He was one of the biggest heroes of the Uprising.

Ravna is a settlement and archeological site near Knjaževac, Serbia. The population of the Ravna is 252, while the population of the settlement is 236 . In ancient times it was known as Timacum Minus, while archeological site nearby still hold that name. The Regional Museum in Knjaževac is in charge of preserving Timacum Minus.

Šarkamen is a settlement situated in eastern Serbia, in the Negotin municipality of the Bor District. It is inhabited by 369 people, with a Serb majority (98,66%)
Sokobanja is a spa town and municipality located in the Zaječar District of the eastern Serbia. As of 2011, the population of the town is 7,982, while population of the municipality is 16,021.

The Svrljiški Timok is a river in Serbia, headwater of the Beli Timok. It rises north of the Mountains of Svrljig near the village of Šesti Gabar at elevation 1,078 m and flows to the west, curving around the northern slopes of the Mountains of Svrljig. It passes through many villages, reaching the town of Svrljig, that gives its name to the river, which here gently turns to the north, and after passing through Niševac and Varoš makes a complete turn to the north-east. It runs through Palilula, Podvis and Rgošte, reaching Knjaževac, where it meets the Trgoviški Timok and together they form the Beli Timok. The total length of the river is 64 km; the area of the river basin is 726 km2 (280 sq mi).
The Timok, sometimes also known as Great Timok, is a river in eastern Serbia, a right tributary of the Danube. For the last 15 km of its run it forms a border between eastern Serbia and western Bulgaria.

Trajan's Bridge, also called Bridge of Apollodorus over the Danube, was a Roman segmental arch bridge, the first bridge to be built over the lower Danube and one of the greatest achievements in Roman architecture. Though it was only functional for 165 years, it is often considered to be the longest arch bridge in both total and span length for more than 1,000 years.

The Trgoviški Timok is a river in Serbia, also known as Korenatac or Strma river. It starts on the western slopes of the Balkan Mountains, right under the highest peak of the mountain in Serbia, Midžor, less than a kilometer from the Bulgarian border. The river runs to the east, receiving three smaller streams from the other peaks of Balkan mountain range with colorful names. The river passes through the villages of Balta Berilovac, Vrtovac and Inovo. On this reach it receives the Debelička and Ćuštička rivers from the left and the Golaška and Inovska rivers from the right. At the village of Kalna, it is joined by the Stanjanska River, flowing down the northern slopes of the Jadovnik mountain, turns to the north and becomes known as the Trgoviški Timok.

Zaječar is a city and the administrative center of the Zaječar District in eastern Serbia. According to the 2011 census, the city administrative area has a population of 59,461 inhabitants. Zaječar is widely known for its rock music festival Gitarijada and for the festival dedicated to contemporary art ZALET.