|• Mayor (2020–2024)||Costinel Milescu (PNL)|
|Area||109.55 km2 (42.30 sq mi)|
|Elevation||5 m (16 ft)|
|• Density||230/km2 (590/sq mi)|
|Time zone||EET/EEST (UTC+2/+3)|
|Area code||(+40) 02 42|
The national road DN4 connects Oltenița to Bucharest, 64 km (40 mi) to the northwest. Road DN31 connects it to the county seat, Călărași, 69 km (43 mi) to the east, and road DN41 connects it to Giurgiu, 76 km (47 mi) to the west.
|Source: Census data|
During World War I at Turtucaia, across the Danube from Oltenița, Battle of Turtucaia ended in a significant defeat for the Romanian Army and subsequently the garrisons of Oltenița and Turtucaia engaged in numerous artillery skirmishes.
There are three high schools in Oltenița: Neagoe Basarab High School, Ion Ghica Technologic High School, and Nicolae Bălcescu Technologic High School.
- Peter A. Abeles (1886–1952), Jewish Romanian-American lawyer, politician, and judge
- Ion Iliescu (born 1930), 2nd President of Romania (1989–96 and 2000–04)
- Alice Săvulescu (1905–1970), scientist, titular member of the Romanian Academy
- Ion Petre Stoican (1930–1994), violinist, a lăutar
- "Results of the 2020 local elections". Central Electoral Bureau. Retrieved 8 June 2021.
- "Populaţia stabilă pe judeţe, municipii, oraşe şi localităti componenete la RPL_2011" (XLS). National Institute of Statistics.
- "Întărirea lui Neagoe Basarab, voievodul Ţării Româneşti, pentru Tatu ş.a." The Medieval Archive of Romania. Retrieved 2020-06-30.