Tirizis Island (Bulgarian: остров Тиризис, ‘Ostrov Tirizis’ \'os-trov ti-'ri-zis\) is the rocky island off the east coast of Robert Island in the South Shetland Islands, Antarctica extending 1.05 km in east-west direction and 350 m wide. It is ending in Kitchen Point to the east, and separated from the main island to the west by a 100 m wide passage formed as a result of glacier retreat in the late first decade of 21st century.
Tirizis Island is located at Coordinates: .
- L.L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2009. ISBN 978-954-92032-6-4 (Updated second edition 2010. ISBN 978-954-92032-9-5)
- Antarctic Digital Database (ADD). Scale 1:250000 topographic map of Antarctica. Scientific Committee on Antarctic Research (SCAR), 1993–2016.
This article includes information from the Antarctic Place-names Commission of Bulgaria which is used with permission.
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