Naftalan Bathhouses located in Naftalan, Azerbaijan, are famous for their unique therapeutic oil baths that have been reputed for their healing properties for many centuries. The town got its name from 'naphthalene', a hydrocarbon that is a major component of the local oil, and 'Naftalan' oil is renowned for its distinctive therapeutic features. The bathhouses offer treatments using this special crude oil, which is not suitable for fuel but has been found beneficial for treating various skin, joint, and musculoskeletal disorders. The Naftalan oil therapy is believed to have anti-inflammatory effects, pain relief, and increased circulation, which contribute to healing and rehabilitation. Patients bathe in the dark brown, sticky oil, which is said to treat over 70 diseases. The health resort area of Naftalan has multiple spa facilities, sanatoriums, and hotels that offer oil treatments combined with physical therapy and medical evaluations. The oil is applied to the body in various forms such as baths and ointments. Due to its unique nature, Naftalan Bathhouses attract visitors from around the world seeking alternative therapeutic experiences.