There is a big medical institute in Kraljeve Vode also called Stacionar or Cigota and is by half a hotel and a small ambulance. In Cajetina there is a public medical institution called Dom zdravlja. The nearest hospital is in the neighbouring city of Uzice.
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In formal situations, Zlatiborians use the literary Serbian language. In unformal situations, however, languages that are used are the Traditional Zlatiborian, and the Neo-Zlatiborian.
The Traditional Zlatiborian is a dialect of the Serbian language. It is quite similar to the standard Serbian, but there are many differences. Knowing standard Serbian could be useful if you speak with a Zlatiborian villager, but not always. The Neo-Zlatiborian is a mixture of the Traditional Zlatiborian and the literary Serbian language.
English is not spoken in Zlatibor's rural areas, but in urban areas in Kraljeve Vode and Cajetina many people just know some words of it, or speak it well. However, entering a hotel or a restaurant where English isn't spoken could be quite possible.