The reason of the establishment of such turkish baths were generally because of commercial, cultural and religious reasons. Therefore, turkish baths have been established in the places that were heavily settled by Ottoman Empire.
Turkish bath had cultural and religious elements because the Ottoman Empire was a Muslim community, in other words, its religious element. Since there is an obligation of performing an ablution in Islam, the state used to establish in settlements expecially turkish bath in Istanbul.
Some of the sultans established turkish baths with charity purposes whereas some of them established turkish baths with commercial purposes. These turkish baths were not established only for public in Ottoman Empire. They were established for sultans and their families.
These turkish baths were called as palace baths and Ottoman Sultans used to establish hunt homes since they were keen on hunting and they also used to establish turkish baths inside such hunting homes. There was another bath group that took part in military service areas and guild of janissaries.