South Africa, officially the Republic of South Africa, is the southernmost country in Africa. It is bounded to the south by 2,798 kilometres (1,739 mi) of coastline that stretches along the South Atlantic and Indian Oceans; to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; and to the east and northeast by Mozambique and Eswatini. It also completely enclaves Lesotho. It is the southernmost country on the mainland of the Old World, and the second-most populous country located entirely south of the equator, after Tanzania. South Africa is a biodiversity hotspot, with unique biomes, plant and animal life. With over 62 million people, the country is the world's 23rd-most populous nation and covers an area of 1,221,037 square kilometres. Pretoria is the administrative capital, while Cape Town, as the seat of Parliament, is the legislative capital. Bloemfontein has traditionally been regarded as the judicial capital. The Constitutional Court, the country's highest court, is located in Johannesburg.

Lesotho, formally the Kingdom of Lesotho, is a landlocked country in Southern Africa. As an enclave of South Africa, with which it shares a 1,106 km (687 mi) border, it is the only sovereign enclave in the world outside of the Italian Peninsula. It is situated in the Maloti Mountains and contains the highest peak in Southern Africa. It has an area of over 30,000 km2 (11,600 sq mi) and has a population of about two million. Its capital and largest city is Maseru. The country is also known by the nickname The Mountain Kingdom.