Gabriel de Castilla Base is a Spanish research station located on Deception Island, South Shetland Islands, Antarctica. The station was constructed in late 1989.
The station is named for Gabriel de Castilla, a 17th century Spanish navigator and according to some reports the first person to sight the mainland of Antarctica.
Wikipedia https://en.wikipedia.org/wiki/Gabriel_de_Castilla_Base
Coordinates -62°58'37.381" N -60°40'32.015" E