The Korean Peninsula
No, South Korea is not a peninsula.
North Korea itself is not a peninsula. Along with South Korea it is on a peninsula known as the Korean peninsula. North Korea forms the start of it and South Korea is the end of the peninsula.
South Korea occupies the south part of the peninsula, North Korea occupies the north part.
Korea is two countries (North Korea and South Korea) on a peninsula.
North Korea and South Korea lie on the Korean Peninsula.
South Korea and North Korea make up the Korean Peninsula.
the Korean peninsula
The Asian Countries that occupy the Choson Peninsula (Hanguk Peninsula in South Korea, Korean Peninsula in English) are North Korea (the Democratic People's Republic of Korea) and South Korea (the Republic of Korea). This peninsula extends from Asia between the Sea of Japan & the Yellow Sea.
the Korean peninsula: includes both south and north Korea
South Korea is a peninsula, so only the sea borders Korea to the south.
North Korea and South Korea
North Korea.