Țăndărei is a town in Ialomița County, Muntenia, Romania, with a population of 12,761 as of 2021. The town is located on the Bărăgan Plain, on the left bank of the Ialomița River. It was declared a town in 1968. It is crossed by the national road DN2A, which connects Slobozia with Constanța. Țăndărei has been called a "Beverley Hills for Gypsy gangsters".