You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Swaziland

Context:
In addition to these institutions, Swaziland also has the Swaziland Institute of Management and Public Administration (SIMPA) and Institute of Development Management (IDM). SIMPA is a government owned management and development institute and IDM is a regional organisation in Botswana, Lesotho and Swaziland that provides training, consultancy, and research in management. The Mananga management centre was established as Mananga Agricultural Management Centre in 1972 as an International Management Development Centre catering for middle and senior managers, it is located at Ezulwini.

Question:
In which locations is the Institute of Development Management?

Botswana, Lesotho and Swaziland