Featuring chapters by a diverse range of leading international artists and theorists, this book suggests that contemporary art is increasingly characterized by the problem of where and when it is situated. While much advanced artistic speculation of the twentieth century was aligned with the question "what is art?", a key question for many artists and thinkers in the twenty-first century has become "where is art?" Contributors explore the challenge of meaningfully identifying and evaluating works located across multiple versions and locations in space and time. In doing so, they also seek to find appropriate language and criteria for evaluating forms of art that often straddle other realms of knowledge and activity. The book will be of interest to scholars working in art history, contemporary art, art criticism, and philosophy of art.