Romero Rock is a rock lying 0.1 nautical miles (0.2 km) west of Saavedra Rock

Saavedra Rock

Saavedra Rock is the largest of several rocks at the southwest corner of Gonzalez Anchorage, in the Duroch Islands. Named by the fifth Chilean Antarctic Expedition, 1950-51, for Lieutenant Colonel Eduardo Saavedra R., chief army delegate aboard the ship Lautaro....

 in the Duroch Islands

Duroch Islands

Duroch Islands is a group of islands and rocks which extend over an area of about 3 miles , centering about 1 mile northwest of Cape Legoupil, off the north coast of Trinity Peninsula. Discovered by a French expedition under Captain Jules Dumont d'Urville, 1837–40, who gave the name "Rocher...

, Trinity Peninsula

Trinity Peninsula

Trinity Peninsula is the extreme northern portion of the Antarctic Peninsula, extending northeastward for about from a line connecting Cape Kjellman and Cape Longing. Dating back more than a century, chartmakers used various names for this portion of the Antarctic peninsula, each name having some...

. The Chilean Antarctic Expedition of 1947-48, under the command of Navy Captain Ernesto Gonzalez Navarrete, made a survey of this area and gave the name "Islote Astronomo Romero" after Astronomer of the Chilean Army Guillermo Romero Gonzalez who was a member of the expedition and did astronomical work in the Antarctic. Around 1951 the name "Islote Romero" began to be used to avoid the compound name. The present name, Romero Rock, has been in use since 1962.