Batajnica (Cyrillic: Батајница, pronounced [bǎtaːjnitsa]) is an urban neighborhood of Belgrade, the capital of Serbia. It is located in Belgrade's municipality of Zemun.
Batajnica is located in the Syrmia region, in the northern part of the municipality, close to the administrative border of the province of Vojvodina and it is both the northernmost and the westernmost part of the Belgrade's urban area. It is close to the Danube's right bank, but not on the river itself, due to the floodings. A small, 114 metre-high hillock separates the settlement from the river.
It is some 15 kilometres away from downtown Belgrade, but only 6 kilometres away from Nova Pazova and Novi Banovci, fast growing settlements in the Vojvodina's municipality of Stara Pazova, to which it almost makes a continuous built-up area. : it extends to the southwest in the direction of Ugrinovci's neighborhood of Busije and southeast in the direction of other Zemun's neighborhoods: Zemun Polje, Galenika and Goveđi Brod.
Vučedol culture-graves from the Bronze Age were found in the fields of Batajnica. The modern settlement is first registered in 1708, of a school in the village and mentioning of the settlement in 1725 and 1753, when it was described as a small village with 90 wealthy households. The settlement in its modern shape originates from the period of the abolition of the Military Frontier in 1873 and the settlements of the former soldiers and their families in the village. This practice was continued further, so after World War I, war veterans were also settled in Batajnica.