Encompassing all that makes the Emerald Isle exceptional is difficult to do in one book. By outlining and describing the various sites, both well known and hidden, travelers will have an array of choices to determine what they most want to see and do. As an introduction, this chapter is an overview deciphering Ireland's regions, environment, terrain, flora and fauna, weather, the best times to travel, holidays and festivals, its eco-friendly side, and the country's premier highlights.