Rugged Island is an island 3 miles (4.8 km) long and 1 mile (1.6 km) wide, lying west of Livingston Island in the South Shetland Islands. Its surface area is 10.4 square kilometres (4.0 sq mi). The island's summit San Stefano Peak rises to 256 metres (840 ft) above sea level. Rugged Island is located at 62°38′S61°15′W. Rugged Island was known to both American and British sealers as early as 1820, and the name has been well established in international usage for over 100 years.
Osogovo Bay, "named after the Osogovo region in western Bulgaria," is bounded by the south coast of Rugged Island, by Astor Island, and by the west coast of the Byers Peninsula south of Laager Point, Livingston Island in the South Shetland Islands, Antarctica.
Prespa Glacier on Rozhen Peninsula, Livingston Island in the South Shetland Islands, Antarctica is situated east-northeast of Tarnovo Ice Piedmont, east of the head of Charity Glacier, southeast of Ruen Icefall and southwest of Macy Glacier. It is bounded to the east by Needle Peak and Ludogorie Peak, to the northwest by St. Cyril Peak and St. Methodius Peak, and to the southwest by Shumen Peak and Yambol Peak, and flows southeastward into Bransfield Strait between Gela Point and Samuel Point. The feature extends 3.5 km in east-west direction and 2.5 km in north-south direction. The glacier is named after Prespa Peak in the Rhodope Mountains, Bulgaria.
Spanish Point is located on Bulgarian Beach on Hurd Peninsula, eastern Livingston Island in the South Shetland Islands, Antarctica formed by an offshoot of Spanish Knoll.
Willan Saddle is a flat, crescent-shaped and ice-covered saddle extending 1 km in the northeast–southwest direction between Burdick South Peak and Willan Nunatak in eastern Livingston Island in the South Shetland Islands, Antarctica. The saddle has an elevation of 400 m and is part of the overland route between Balkan Snowfield and Charrúa Gap in the west and Orpheus Gate in the east, thus providing access from the Bulgarian Base and the Spanish Base to the interior of eastern Livingston Island.
Start Point is a point marking the northwest end of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica and forming the southwest side of the entrance to Svishtov Cove and the northeast side of the entrance to the New Plymouth bay. Discovered by Edward Bransfield in January 1820, and so named by him because of its resemblance to a point on the south coast of England by the same name and because it was the place where his operations began.
Cape Shirreff is a prominent cape at the north end of the rocky peninsula which separates Hero Bay and Barclay Bay on the north coast of Livingston Island, in the South Shetland Islands of Antarctica. The cape was named by Edward Bransfield in 1820 after Captain William H. Shirreff, the British commanding officer in the Pacific at that time.
Brunow Bay is a 2.33 km wide bay indenting for 1.5 km the southeast side of Livingston Island in the South Shetland Islands, Antarctica. The bay is entered between Samuel Point and Vazov Point, and has its northwestern coast formed by the terminus of Macy Glacier.
Williams Point is the point forming both the north extremity of Varna Peninsula and the northeast tip of Livingston Island in the South Shetland Islands, Antarctica. Separated from Zed Islands to the north by Iglika Passage.
Hurd Peninsula lies between South Bay and False Bay on the south coast of Livingston Island in the South Shetland Islands, Antarctica. The Spanish Juan Carlos I Antarctic Base and the Bulgarian St. Kliment Ohridski Base are situated on its west coast.
New Plymouth is a bay bordered by an extensive line of beaches, lying south of Start Point and between Rugged Island and the west end of Livingston Island in the South Shetland Islands, Antarctica.
Robbery Beaches are beaches extending along the north side of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica between Essex Point to the west and Nedelya Point to the east. They are crossed by Eridanus Stream and Bedek Stream.
Ugain Point is the point on the west coast of Rugged Island in the South Shetland Islands, Antarctica separating Smyadovo Cove to the north and Bogomil Cove to the south. Situated 1.76 km north-northwest of Benson Point, 970 m north of Kokalyane Point and 1.55 km south of Cape Sheffield.
Bakshev Ridge is a rugged rocky ridge on Rugged Island, off the west coast of Byers Peninsula of Livingston Island in the South Shetland Islands, Antarctica. The ridge extends 700 m in a southeast-northwest direction. The highest point of elevation is 239 m, situated 660 m east of San Stefano Peak, 1.25 km west of Vund Point, and 1.1 km northwest of Radev Point.
Dospey Heights are the ice-free heights on Ray Promontory in the northwestern part of Byers Peninsula on Livingston Island in the South Shetland Islands, Antarctica. Extending 6 km southeastwards from Essex Point and Start Point, and 2.6 km wide. Rising to 265 m at Start Hill.
Bruix Cove is the 1.93 km wide cove indenting for 1.75 km the south coast of Moon Bay in eastern Livingston Island, the South Shetland Islands in Antarctica. Entered between Yana Point and Rila Point. Most of the cove's coastline is formed by the terminus of Iskar Glacier.
Ray Promontory is the 7 km long and 2.8 km wide promontory lying between Barclay Bay and the New Plymouth sound, and forming the northwest part of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica ending up in Start Point and Essex Point. The promontory's interior is mostly occupied by Dospey Heights.
Window Island is a small ice-free island off the north coast of Ray Promontory in the northwest of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica. The island has a surface area of 23 hectares and rises to 72 m (236 ft). It was known to the early 19th century sealers operating on Byers Peninsula.
South Beaches are the beaches extending along the south side of Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica between Devils Point to the west and Rish Point to the east. The beaches were visited by 19th century sealers.
Point Smellie is a small steep-sided headland extending into Osogovo Bay from President Beaches on Byers Peninsula, Livingston Island in the South Shetland Islands, Antarctica and dominated by Smellie Hill.
