Chilia Veche is a commune in Tulcea County, Northern Dobruja, Romania, in the Danube Delta. It gave its name to the Chilia branch of the Dan…Chilia Veche is a commune in Tulcea County, Northern Dobruja, Romania, in the Danube Delta. It gave its name to the Chilia branch of the Danube, which separates it from Ukraine. It is composed of four villages: Câșlița, Chilia Veche, Ostrovu Tătaru and Tatanir.