Which of the following landlocked countries is entirely contained within another country?

If I'm not mistaken, also called The Mountain Kingdom

Oliver the boxer , that is an entirely different country! Lesotho is entirely within South Africa. Eswatini is farther to the East, borders South Africa and Mozambique, its capital is Mbabane.

Dee1, it’s now called Estwatini capital is MBAWNA or something like that

South Africa surrounds it