How were borders created? What functions did they serve? How did borders inhibit or facilitate movements and exchanges of people, goods, and ideas? How did the construction of borders shape the formation of political, social, economic, and cultural identities (and vice versa)? And how did the transcendence of borders transform the configuration of polities and societies? In a world where identity politics is increasingly charged, we believe it is especially meaningful for all of us to reconsider the limits of borders and boundaries.