Atanasoff Nunatak is a nunatak, a sharp peak rising to 523 m (1,716 ft) in the east extremity of Bowles Ridge, Livingston Island, Antarctica. The peak surmounts Huron Glacier to the south and east, and Struma Glacier to the north. The peak is “named in honour of the Bulgarian American John Atanasoff (1903–1995) who constructed the first electronic digital computer”.
Friesland Ridge is a ridge on Livingston Island in the South Shetlands, part of the Tangra Mountains. The summit, Mount Friesland, which rises to 1,700 metres (5,600 ft), is the northwesternmost of the ridge's six main peaks. Its elevation was estimated at 1,684 metres (5,525 ft) by a 1995/96 Bulgarian survey; the present figure was produced by a 2003 Australian GPS survey, and closely matched by the Bulgarian survey Tangra 2004/05.
Kaliakra Glacier is a glacier in northeastern Livingston Island, Antarctica extending 3.8 nautical miles in east-west direction and 4.3 nautical miles in north-south direction, and situated southeast of Saedinenie Snowfield, southwest of Panega Glacier, north of Struma Glacier and upper Huron Glacier, and northeast of Perunika Glacier. It is bounded by Melnik Ridge and Bowles Ridge to the south, by Hemus Peak, Gurev Gap, Gleaner Heights, Elhovo Gap, Leslie Hill, Leslie Gap and Radnevo Peak to the west, and Miziya Peak and Samuel Peak to the north. The glacier drains eastwards into Moon Bay south of Perperek Knoll and north of Sindel Point.
Komini Peak is a peak with an elevation of 774 m (2,539 ft) on the north slopes of Levski Peak, in the Tangra Mountains, in Livingston Island, Antarctica.
Lyaskovets Peak is the easternmost peak of Friesland Ridge in the Tangra Mountains, eastern Livingston Island and has an elevation of 1,473 m. The peak is bounded by Catalunyan Saddle on the west and Shipka Saddle on the east, and is heavily glaciated and crevassed, with precipitous western, southern and eastern slopes. It surmounts Huron Glacier to the northwest and northeast, and Macy Glacier and Brunow Bay area to the south. Its northern offshoot forms Zograf Peak, and is linked to Lozen Nunatak, Erma Knoll and Aheloy Nunatak in Huron Glacier.
Miziya Peak is the 604 m summit of Vidin Heights on Varna Peninsula, eastern Livingston Island in the South Shetland Islands, Antarctica. The peak overlooks Kaliakra Glacier to the south, and Saedinenie Snowfield to the northwest. First ascent by Lyubomir Ivanov from Camp Academia on 25 December 2004, as part of Tangra 2004/05 survey.
Ongal Peak is a sharp glaciated peak rising to 1151 m on Levski Ridge of Tangra Mountains, Livingston Island in the South Shetland Islands, Antarctica. It surmounts Shipka Valley on the north-northwest, and Huron Glacier and its tributaries on the north and northeast.
Petrich Peak is an ice-covered peak of elevation 760 m in central Bowles Ridge on Livingston Island in the South Shetland Islands, Antarctica, which is named after the town of Petrich in Southwestern Bulgaria.
Presian Ridge is a ridge of elevation 1456 m extending 950 m in east-weat direction in Friesland Ridge, Tangra Mountains, Livingston Island in the South Shetland Islands, Antarctica. Situated between the island's summit Mount Friesland to the west and Catalunyan Saddle to the east. Surmounting Wörner Gap, Camp Academia locality and upper Huron Glacier to the north, and Macy Glacier to the south.
Radnevo Peak is a peak of elevation 481 m forming the southwest extremity of Vidin Heights on Varna Peninsula on Livingston Island in the South Shetland Islands, Antarctica. Surmounting Kaliakra Glacier to the southeast and Saedinenie Snowfield to the northwest. Linked to Leslie Hill by Leslie Gap. The peak is named after the town of Radnevo in Southeastern Bulgaria.
Sliven Peak rises to 530 m in the east extremity of Melnik Ridge, Livingston Island in the South Shetland Islands, Antarctica. The peak has precipitous rocky southern slopes and partly ice-free northern slopes, overlooking Kaliakra Glacier to the northwest and Struma Glacier to the south and east.
Struma Glacier is a glacier in eastern Livingston Island in the South Shetland Islands, Antarctica situated south of lower Kaliakra Glacier and north of Huron Glacier. Bounded by Melnik Ridge to the north, Yankov Gap to the west and Bowles Ridge to the south, it is 4.8 km long and 1.5 km wide, and flows eastwards into Moon Bay south of Sindel Point.
Tangra Mountains form the principal mountain range of Livingston Island in the South Shetland Islands, Antarctica. The range had been nameless until 2001, when it was named after Tangra, "the name of the ancient Bulgarian god."
Vidin Heights are predominantly ice-covered heights rising to 604 m on Varna Peninsula, eastern Livingston Island in the South Shetland Islands, Antarctica. The feature is approximately 8 km long from the north end of Leslie Gap east-northeastwards to Inott Point and 9.6 km north-northeastwards to Sayer Nunatak. The summit, Miziya Peak, is located 9.25 km north by east of Mount Bowles, 4.24 km north-northeast of Leslie Hill, 9.47 km south of Williams Point and 7.52 km west of Edinburgh Hill. The heights feature also Samuel Peak 1.9 km east-southeast of Miziya Peak, and Sharp Peak at their east-northeast extremity. The heights surmount Saedinenie Snowfield to the northwest, Rose Valley Glacier to the northeast, Debelt Glacier and Panega Glacier to the southeast, and Kaliakra Glacier to the south.
Zemen Knoll is a peak of 453 m in the Vidin Heights on Varna Peninsula, Livingston Island in the South Shetland Islands, Antarctica. The knoll overlooks Kaliakra Glacier to the southeast, and Saedinenie Snowfield to the northwest and west. The feature is named after the town of Zemen in Western Bulgaria.
Zograf Peak rises to 1,010 m (3,310 ft) at the northeast extremity of Friesland Ridge in Tangra Mountains, Livingston Island in the South Shetland Islands, Antarctica. The peak is heavily glaciated and crevassed, with precipitous and partly ice-free northern slopes. The peak surmounts Huron Glacier to the north and Shipka Valley to the east, and is accessible via the saddle of elevation 975 m linking it to the north rib of Lyaskovets Peak. The peak is linked to the northeast by Lozen Saddle to Lozen Nunatak, Erma Knoll and Aheloy Nunatak.
Camp Academia is a geographical locality in eastern Livingston Island, South Shetland Islands, Antarctica, named for the Bulgarian Academy of Sciences in appreciation of Academy’s contribution to the Antarctic exploration. The site was first occupied in the 2004/05 austral summer, and has been designated since 2004 as the summer post office Tangra 1091, the southernmost branch of the Bulgarian Posts Plc.
Bowles Ridge is the central ridge of eastern Livingston Island. The ridge extends 6.5 km in the east-west direction and is 1.5 km wide. The summit of the ridge is Mount Bowles which rises to 822m and is located 9.77 km northwest of Great Needle Peak, 6.08 km north by west of Mount Friesland, 8.77 km east-northeast of St. Kliment Ohridski base and 9.25 km south by west of Miziya Peak.
The Tangra 2004/05 Expedition was commissioned by the Antarctic Place-names Commission at the Ministry of Foreign Affairs of Bulgaria, managed by the Manfred Wörner Foundation, and supported by the Bulgarian Antarctic Institute, the Institute of Mathematics and Informatics at the Bulgarian Academy of Sciences, Bulgarian Posts, Uruguayan Antarctic Institute, Peregrine Shipping (Australia), and Petrol Ltd, TNT, Mtel, Bulstrad, Polytours, B. Bekyarov and B. Chernev (Bulgaria).
The Gleaner Heights are a series of elevations extending for 2 km (1.2 mi) southwest from Leslie Hill in the eastern part of Livingston Island in the South Shetland Islands, Antarctica. They are separated from Leslie Hill by Elhovo Gap, and from Hemus Peak off the northwest extremity of Bowles Ridge by Gurev Gap. The feature is heavily glaciated, with a small rock exposure on its northwest slopes. Gleaner Heights surmount Saedinenie Snowfield to the northwest, Kaliakra Glacier to the east and Perunika Glacier to the southwest. The first ascent was by the Bulgarian Doychin Vasilev from Camp Academia on 25 December 2004, as part of Tangra 2004/05 survey.
