Galicia Potato from the Terra Chá Food and drink · Castro de Rei, Terra Chá, Lugo Image of Castro de Rei, not of the place itself. The plain of the Terra Chá is one of the areas covered by the Pataca de Galicia protected geographical indication; its deep, damp soil yields tubers of firm flesh and fine skin. Photo: Image provided by ☣ Banjo (Public domain) What to see and do in Castro de Rei