Subotica (Serbian Cyrillic: Суботица [sǔbɔtit͡sa] ( listen), Hungarian: Szabadka, Bunjevac: Subotica, Croatian: Subotica) is a city in northern Serbia, in the Autonomous Province of Vojvodina. It is located at 46.07° North, 19.68° East, about 10 km from the border with Hungary.

Formerly the largest city of Vojvodina region, contemporary Subotica is now the second largest city in the province, following Novi Sad. It is also the fifth largest city in Serbia (discounting Kosovo) after Belgrade, Novi Sad, Niš, and Kragujevac. It is a multiethnic city, with Hungarians (34.99%), Serbs (27.85%), Bunjevci (10.87%) and Croats (10.43%) as largest ethnic groups. The city's population numbers 96,483 inhabitants. Linguistically the city has a South Slavic-speaking majority as Serbs, Croats, Bunjevci and Yugoslavs collectively compose 55.94% of the population. The municipality of Subotica numbers 140,358 people. It is the administrative centre of the North Bačka District.

There have been almost two hundred different forms of the name of this city in history. This is because the city has welcomed so many different peoples since the Middle Ages. They all wrote about it, naming it in their own languages, which, for some, did not fix their spelling until modern times.