Taiwan, officially the Republic of China (ROC), is a country in East Asia. Neighbouring countries include the People's Republic of China to the northwest, Japan to the northeast, and the Philippines to the south. The main island of Taiwan has an area of 35,808 square kilometres (13,826 sq mi), with mountain ranges dominating the eastern two-thirds and plains in the western third, where its highly urbanised population is concentrated.

Wales is a country that is part of the United Kingdom. It is bordered by England to the east, the Irish Sea to the north and west, and the Bristol Channel to the south. It had a population in 2011 of 3 million and has a total area of 20,779 km2 (8,023 sq mi). Wales is often used as a unit for measuring area.