Context: Incheon (formerly romanized as Inchon; literally "kind river"), officially the Incheon Metropolitan City(), is a city located in northwestern South Korea, bordering Seoul and Gyeonggi to the east. Inhabited since the New Stone Age, Incheon was home to just 4,700 people when it became an international port in 1883. Today, about 3 million people live in the city, making it Koreas third most populous city after Seoul and Busan. The city's growth has been assured in modern times with the development of its port due to its natural advantages as a coastal city and its proximity to the South Korean capital. It is part of the Seoul Capital Area, along with Seoul itself and Gyeonggi Province, forming the world's second largest metropolitan area by population., East Asia is the eastern subregion of the Asian continent, which can be defined in either geographical or ethno-cultural terms. Geographically and geopolitically, it includes China, Hong Kong, and Macao; Mongolia and Taiwan; North and South Korea; and Japan; it covers about , or about 28% of the Asian continent, about twice the area of Europe., Yeoksam-dong is a ward of Gangnam-gu, Seoul, South Korea. Teheranno runs through Yeoksam-dong and holds many of the tallest buildings in Seoul in a collection of corporate headquarters and high-rise office buildings., South Korea, officially the Republic of Korea (ROK), is a sovereign state in East Asia, constituting the southern part of the Korean Peninsula., Seoul ()  officially the Seoul Special City  is the capital and largest metropolis of the Republic of Korea (commonly known as South Korea), forming the heart of the Seoul Capital Area, which includes the surrounding Incheon metropolis and Gyeonggi province, the world's 16th largest city. It is home to over half of all South Koreans along with 678,102 international residents., Nonhyeon - dong is a ward of Gangnam - gu in Seoul , South Korea . It borders Apgujeong and Sinsa - dong on the north , Samseong - dong on the northeast , and Yeoksam - dong to the south ., Teheranno (alternatively Teheran-ro, translation "Tehran Boulevard") is a street in the Gangnam district of Seoul, South Korea. It runs from Gangnam Station through Yeoksam-dong and into Samseong-dong. It is colloquially known as "Teheran Valley" (after Silicon Valley) due to the number of internet-related companies operating there. The district of Gangnam-gu experienced phenomenal growth and waves of construction, with Teheranno becoming one of the busiest streets in South Korea. Its counterpart, Seoul St. in Tehran, runs in the north of that city, close to the Evin district., Samseong-Dong is an affluent neighborhood or ward of Gangnam-gu in Seoul, South Korea., Korea is a historical state in East Asia, since 1945 divided into two distinct sovereign states: North Korea (officially the "Democratic People's Republic of Korea") and South Korea (officially the "Republic of Korea"). Located on the Korean Peninsula, Korea is bordered by China to the northwest and Russia to the northeast. It is separated from Japan to the east by the Korea Strait and the East Sea., The Korean Peninsula is a peninsula in East Asia. It extends southwards for about from continental Asia into the Pacific Ocean and is surrounded by the Sea of Japan (East Sea) to the east, and the Yellow Sea (West Sea) to the west, the Korea Strait connecting the first two bodies of water., A metropolis is a large city or conurbation which is a significant economic, political, and cultural center for a country or region, and an important hub for regional or international connections, commerce, and communications. The term is Greek and means the "mother city" of a colony (in the ancient sense), that is, the city which sent out settlers. This was later generalized to a city regarded as a center of a specified activity, or any large, important city in a nation., Subject: nonhyeon-dong, Relation: located_in_the_administrative_territorial_entity, Options: (A) center (B) east (C) europe (D) gangnam district (E) hong kong (F) incheon (G) japan (H) mongolia (I) most (J) north korea (K) of (L) pacific ocean (M) river (N) seoul (O) south korea (P) street (Q) taiwan (R) tehran (S) west
Output: gangnam district