The article reveals the main features of health-improving tourism of Lviv region. The main factors of developments in the health-improving sphere of the region are noted, particularly, favourable climatic conditions, available natural mineral waters, medical mud, forest resources, etc. Sanatorium and spa establishments of Lviv region were studied. The main factors of demand formation are highlighted, among them – high prices and their non-conformity with the quality of sanatorium and resort services, low income of the population and its incapability to pay for rest in sanatorium and resort facilities, lack of effective state policy, regarding the field and the direction of support and stimulation of sanatorium and resort facilities, inefficient management system of sanatorium and resort facilities, their outdated, insufficient level of advertising support and limited range of tourist and recreational services as well as insufficient quality of additional services. Tourist flows of Lviv region resort cities are studied. According to the data, in 2017, among all the cities of Lviv region, the largest number of tourists was observed in Truskavets, Lviv, Boryslav and Morshyn – about 3 million. Among them – citizens of Poland, Azerbaijan, Moldova, Belarus, Israel, Germany and other countries. The article analyzes institutions of accommodation of largest balneological resorts of the region and the cost of living in them. The main advantages of resort area in studied settlements of the region are highlighted, in particular, its advantageous geographical position, favourable climatic conditions, availability of mineral resources, rich historical and cultural heritage as well as presence of small and medium enterprises, development of trade and services, and a large number of sanatorium and resort establishments, mostly privately owned. These can also bolster the field, considering the wide price range for such establishments. Altogether these factors further signify an already established notion – “Lviv region is a major tourist hub”.