Karnataka is a state in the south western region of India. It is the largest state in South India and seventh largest in India. Karnataka is bordered by the Arabian Sea to the west, Goa to the northwest, Maharashtra to the north, Telangana to the northeast, Andhra Pradesh to the east, Tamil Nadu to the southeast, and Kerala to the south. It is the only southern state to have land borders with all of the other 4 southern Indian sister states. The state covers an area of 191,976 square kilometres (74,122 sq mi), or 5.83 percent of the total geographical area of India. It is the sixth largest Indian state by area.

South Korea, officially the Republic of Korea, is a country in East Asia, constituting the southern part of the Korean Peninsula, and sharing a land border with North Korea. 25 million people, around half of the country's population of more than 51 million people, live in the Seoul Capital Area, the fifth-largest metropolitan area in the world.