Maseru is the capital and largest city of Lesotho. It is also the capital of the Maseru District. Located on the Caledon River, Maseru lies directly on the Lesotho–South Africa border. Maseru had a population of 330,760 in the 2016 census. The city was established as a police camp and assigned as the capital after the country became a British protectorate in 1869. When the country achieved independence in 1966, Maseru retained its status as capital. The name of the city is a Sesotho word meaning "red sandstones".

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.