Opaka Rocks
Opaka Rocks are a group of rocks with the principal one situated north of Henfield Rock, east of Pordim Islands and 4.79 km west by south of Mellona Rocks off the north coast of Robert Island, South Shetland Islands. Bulgarian early early mapping in 2009. Named after the town of Opaka in northeastern Bulgaria.
Maps
- L.L. Ivanov. Scale 1:120000 topographic map. Troyan: Manfred Wörner Foundation, 2009.