page_title: Thyamis
section_title: Geography
hierarchical_section_title: Thyamis / Geography
caption_attribution_description: Deutsch: Staudamm am Kalamas / Thiamis
context_page_description: The Thyamis, also known as Glykys or Kalamas, is a river in the Epirus region of Greece. It flows into the Ionian Sea.It is 115 km long, and its drainage area is about 1,900 km², over 99% of which on Greek territory. The names of the Chameria region, as well as the former Cham minority, derive from the river's name.
  Thyamis in ancient Greece was mentioned by Pausanias as forming the boundary between Thesprotis and Kestrine. In addition, Suda and Ptolemaeus mentioned it.
  Some Renaissance scholars believed that the English River Thames owed its name to the River Thyamis, as early Celtic tribes were thought to have migrated from the Epirus region to England. While this belief influenced the modern spelling of the English river's name, it is no longer regarded as credible.
context_section_description: The source of the river is near the village Kalpaki, in the northwestern part of the Ioannina regional unit. It flows south at first, and turns southwest near Soulopoulo. It receives its tributary Tyria near Vrosina, and turns west near Kyparisso in Thesprotia, where the hydroelectric dam is located. It empties into the Ionian Sea near the village Kestrini, between Igoumenitsa and Sagiada, close to the Albanian border.
  Places along the river include, from source to mouth: Mazaraki, Soulopoulo, Vrosina, Raveni, Pente Ekklisies, Kyparisso, Parapotamos and Kestrini.
  During the interwar period of the 20th century, Albanian speaking villages of the Thyamis delta and river basin were small and scattered compared to the upland larger Greek villages of the hilly area to the north.
caption: The hydroelectric dam of river Thyamis, in Thesprotia
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