The Division of Radiotherapy at the Institute of Oncology Ljubljana is the only radiotherapy center in Slovenia equipped with the facilities and systems to plan, carry out and ensure the quality of treatment with ionizing radiation. The division employs the experts from different domains of radiotherapy assuring the irradiation treatments according to modern standards. The division is functionally divided into four organizational units: Teleradiotherapy, Brachiradiotherapy, Radiophisics, and Radiotherapy Wards. The radiation oncologists are divided into teams, each of them in charge of particular cancer localization. Such work organization allows treatment of any type of cancer for all Slovene patients.