This might be also be called the Preface or Foreword. This section usually comes after the abstract and is an opportunity to thank those who have helped you write the thesis in some way. Typically, the following people are mentioned:

• your supervisor
• sponsors / companies who have provided financial or other kinds of support
• people who have helped with the study in some ways e.g. colleagues, subjects
• people who have provided moral support e.g. family, friends