Tvarditsa Rocks (, ) is a group of rocks off the north coast of Greenwich Island in the South Shetland Islands, Antarctica situated northeast of Ongley Island, southwest of Stoker Island and west of Sierra Island.
The rocks are named after the town of Tvarditsa in southeastern Bulgaria.
Location Tvarditsa Rocks are located at (Bulgarian mapping in 2009).
See also
List of Antarctic islands south of 60° S
Maps L.L. Ivanov. Antarctica: Livingston Island and Greenwich, Robert, Snow and Smith Islands. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2009.
Notes
References Tvarditsa Rocks. SCAR Composite Antarctic Gazetteer Bulgarian Antarctic Gazetteer. Antarctic Place-names Commission. (details in Bulgarian, basic data in English)
External links Tvarditsa Rocks. Copernix satellite image