Kajmakčalan
 Kajmakčalan (Kaimakchalan) or Kaimaki or Kaimaktsalan or Kaimaki or Voras (Greek: Καϊμάκτσαλαν or Βόρας Macedonian: Каjмакчалан Kajmakčalan) is a mountain on the border between Greece and the Republic of Macedonia. It is the southernmost and highest peak 2524 metres (8281 ft) of a range known in Greek as the Voras Mountains and in Macedonian as Nidže. The frontier between the two countries runs across the summit.