an Asian peninsula (off Manchuria) separating the Yellow Sea and the Sea of Japan; the Korean name is Dae-Han-Min-Gook or Han-Gook
"The Korean peninsula, known locally as Dae-Han-Min-Gook, separates the Yellow Sea from the Sea of Japan."
A nation in East Asia. Since World War II, Korea has been divided into two sovereign states, commonly called South Korea and North Korea in the US, or Korea and North Korea in the UK.
"Korea is a nation in East Asia that was historically unified before being split into two separate countries after World War II."
The name Korea comes from a sixteenth-century European borrowing based on the Hokkien Chinese pronunciation of the country's original name. Early English spellings like "Core" and "Corea" reflect this loanword before it became standardized.