The Montenegrin frontier laid down at San Stefano was considerably curtailed, Dulcigno, the district north-east of the Tara, and other territories being restored to Turkey; in addition to Nish, Servia received the districts of Pirot and Vranya on the east instead of the Ibar valley on the west; the Dobrudja, somewhat enlarged, was ceded to Rumania' which surrendered southern Bessarabia to Russia.