Lupeni is a small city located in the Harghita County of Transylvania, Romania. It is situated in the eastern part of the country, surrounded by the picturesque Carpathian Mountains. The city is known for its stunning natural beauty, with lush forests, rolling hills, and pristine rivers and lakes. Lupeni is a popular destination for outdoor enthusiasts, offering a wide range of activities such as hiking, mountain biking, and skiing in the winter months. The city is also home to several natural hot springs, providing a relaxing and rejuvenating experience for visitors.