The boundary of East Prussia as described in Article 28 of Part II. (boundaries of Germany) of the peace treaty;

Thence the principal channel of navigation of the Vistula downstream to a point about 6½ kilometers north of the bridge of Dirschau;

Thence northwest to point 5, 1½ kilometers southeast of the Church of Güttland, a line to be fixed on the ground;

Thence in a general westerly direction to the salient of the Kreise of Berent, 8½ kilometers northeast of Schöneck;

A line to be fixed on the ground passing between Mühlbanz on the south and Rambeltsch on the north;

Thence the boundary of the Kreise of Berent, westward to the re-entrant which it forms 6 kilometers north-northwest of Schöneck;

Thence to a point on the median line of Lonkener See; a line to be fixed on the ground passing north of Neu Fietz and Schatarpi and south of Barenhütte and Lonken; thence the median line of the Lonkener See to its northernmost point; thence to the southern end of Pollenziner See; a line to be fixed on the ground;

Thence the median line of Pollenziner See to its northernmost point;

Thence in a northeasterly direction to a point about one kilometer south of Koliebken Church, where the Danzig-Neustadt Railway crosses a stream;

A line to be fixed on the ground passing southeast of Kamehlen, Krissau, Fidlin, Sulmin, (Richthof,) Mattern, Schaferei, and to the northwest of Neuendorf, Marschau, Czapielken, Hoch and Klein Kelpin, Pulvermühl, Renneberg, and the towns of Oliva and Zoppot;