Gedera, or less commonly known as Gdera, is a town in the southern part of the Shfela region in the Central District of Israel founded in 1884. I…Gedera, or less commonly known as Gdera, is a town in the southern part of the Shfela region in the Central District of Israel founded in 1884. It is 13 kilometres south of Rehovot. In 2022, it had a population of 31,438.