Montecatini Terme is an Italian comune of c. 20,000 inhabitants in the province of Pistoia, in the Italian region of Tuscany. It is the most important center in Valdinievole. The town is located at the eastern end of Piana di Lucca and has a strong tourism industry, as well as industrial and commercial industries related to the spa, which in turn has increased the interest in hotel accommodation in the region.