Map of the Roman Empire - Tisza River

Tisza River
M-1 on the Map

Ancient Tisza River - One of Central Europe's chief rivers. The Tisza was a river of Dacia that flowed from the Carpathian Mountains into the Danube.

The Tisza or Tisa is one of the main rivers of Central Europe. It rises in Ukraine, and is formed near Rakhiv by the junction of headwaters White Tisa, whose source is in the Chornohora mountains and Black Tisa, which springs in the Gorgany range. It flows roughly along the Romanian border and enters Hungary at Tiszabecs; downstream, it marks the Slovak-Hungarian border, passes through Hungary, and falls into the Danube in north Serbia (Vojvodina). There, it forms the boundary between the regions of Bačka and Banat. The river also forms short portions of the border between Hungary and Ukraine and between Hungary and Serbia... The river was known as the Tisia in antiquity, and Latin names for it included Tissus, Tisia, Pathissus (Pliny, Naturalis historia, 4.25). In the Serbian- and Slovak languages, it is called Tisa. It may be referred to as the Theiss (German: Thei�) in older English references, after the German name for the river. Attila the Hun is said to have been buried under a diverted section of the river Tisza. - Wikipedia

Tibiscus or Tibissus, probably the same as the Parthiscus or Parthissus. Now the Theiss. A river of Dacia, forming the western boundary of that country. - Harry Thurston Peck. Harpers Dictionary of Classical Antiquities. New York. Harper and Brothers.

The Timiş or Tami� (Romanian: Timiş; Serbian: Тамиш or Tami�; German: Temesch; Hungarian: Temes) is a 359 km long river rising in the Semenic Mountains, southern Carpathian Mountains, Caraş-Severin County, Romania. It flows through the Banat region and flows into the Danube near Pančevo, in northern Serbia. In antiquity, the river was known as Tibiscus and Tibisis. - Wikipedia

Tibiscus (Pathissus, Parthiscus, Tibissns, Tisianus) fl., a r. of Dacia, rising in Carpathus m. and falling into the Danube H. of the confluence of Savus fl. Theiss.  - Classical Gazetteer

Tibiscus
TIBISCUS (Τίβισκος, Ptol. 3.8.1), a tributary river of the Danube in Dacia. We also find it called Tibissus (Inscr. Grut. p. 448. 3) and Tibisia (Geogr. Rav. 4.14). Several authors identify it with the Tisianus or Tysia (the modern Theiss), with which, indeed, Ptolemy seems to have confounded it, as he does not mention the latter (Mannert, iv. p. 203; Sickler, i. p. 196; cf. Ukert, 3.2. p. 603). But Forbiger, after Reichard, identifies it with the Temesz; his grounds for that opinion being that Jornandes (Get. 100.34) and the Geographer of Ravenna (l.c.) mention the Tysia and Tibisia as two distinct rivers, and that the site of the ancient town of Tibiscum appears to point to the Donesz (Handb. d. alt. Geogr. iii. p. 1103, note). It is probable that the Pathissus of Pliny (4.12. s. 25) and Parthiscus of Ammianus Marcellinus (17.13.4) are the same river, though some identify them with the Tisianus. - Dictionary of Greek and Roman Geography (1854) William Smith, LLD, Ed.