Ada is a town and municipality located in the North Banat District of the autonomous province of Vojvodina, Serbia. It is situated near the rive…Ada is a town and municipality located in the North Banat District of the autonomous province of Vojvodina, Serbia. It is situated near the river Tisa in the geographical region of Bačka. The town has a population of 7,423, while the municipality has 13,293 inhabitants, and a 72.71% Hungarian majority.