Idvor is a village in northern Serbia. It is located in the Kovačica municipality, South Banat District, Vojvodina province. Serbian physicist and physical chemist Mihajlo Pupin was born in Idvor. The Museum of Mihajlo Pupin is located in the building of the old elementary school, built in 1846. The museum has a display with a series of documents and photographies, also presented is a composition of Pupin’s life path from Idvor pastures to becoming a world-renowned scientist, who marked the whole epoch of significant inventions in science, as well as great humanitarian works and charities. House, where he was born, is a classic type of Banat house, having four rooms with a big porch, the yard and the well with shadoof. Today this house is under protection as a cultural monument.