| Bulgaria in Antarctica |
|---|
- Yablanitsa Glacier, Smith Island
- Yagodina Knoll, Trinity Peninsula
- Yakoruda Glacier, Greenwich Island
- Yambol Peak, Livingston Island
- Yamen Glacier, Sentinel Range
- Yamforina Cove, Oscar II Coast
- Yana Point, Livingston Island
- Yankov Gap, Livingston Island
- Yantra Cove, Livingston Island
- Yarebitsa Cove, Smith Island
- Yarlovo Nunatak, Trinity Peninsula
- Yasen Point, Livingston Island
- Yastreb Island, Wilhelm Archipelago
- Yato Rocks, Wilhelm Archipelago
- Yatrus Promontory, Trinity Peninsula
- Yavorov Peak, Livingston Island
- Yoglav Crag, Trinity Peninsula
- Yordanov Nunatak, Oscar II Coast
- Yordanov Island, South Orkney Islands
- Yovkov Point, Greenwich Island
- Yozola Glacier, Alexander Island
- Yrvind Island, Nelson Island
- Yunak Peak, Brabant Island
- Yundola Cove, Robert Island