The Renaissance in Italy continues to exercise a powerful hold on the popular imagination and on scholarly enquiry.This Companion presents a lively, comprehensive, interdisciplinary, and current approach to the period that extends in Italy from the turn of the fourteenth century through the latter decades of the sixteenth.Addressed to students, scholars, and non-specialists, it introduces the richly varied materials and phenomena as well as the different methodologies through which the Renaissance is studied today both in the English-speaking world and in Italy.The chapters are organized around axes of humanism, historiography, and cultural production, and cover a wide variety of areas including literature, science, music, religion, technology, artistic production, and economics.The diffusion of the Renaissance throughout Italian territories is emphasized.Overall, the Companion provides an essential overview of a period that witnessed both a significant revalidation of the classical past and the development of new, vernacular, and increasingly secular values.