Th is chapter provides an overview of eudaimonia. Th e topic is oft en better understood interms of what it is not, however. Eudaimonia will therefore be contrasted with hedonia, which is usually the fi rst topic that people think of when considering well-being. Much of the chapter will focus on pulling together an understanding of the meaning of eudaimonia, since the literature is still largely at the stage of attempting to defi ne the concept, and there is relatively little research on eudaimonia’s correlates.