Slovenia is an amazing small country, in the hearth of Europe and stunningly beautiful. Hills and lakes, mountains and waterfalls, vineyards and forests, to say nothing about delicious food and friendly people! Slovenia is the World’s Most Sustainable Country. Nearly 60 percent of Slovenia is covered in lush forests, and more than 40 parks and reserves are home to some 20,000 different plants and animals, with a network of diverse hiking trails. Slovenia has the highest concentration of animal and plant species per square kilometre in the world.