Promontorium Agarum is a raised mountainous cape protruding into the southeast of Mare Crisium on the near side of the Moon. It protrudes into the mare up to 40 km and its width is about 80 km. Its coordinates are .
Promontorium Agarum was named in 1647 by Johannes Hevelius, who assigned names of terrestrial features to the lunar ones. It obtained Ancient Greek name of a cape on the northern shore of the Sea of Azov — probably, modern Berdiansk Spit or Fedotova Spit. It is one of only 4 features which still bear the names given by Hevelius.
- Blue, Jennifer. "Promontorium Agarum". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
- Hevelius J. (1647). Selenographia sive Lunae descriptio. Gedani: Hünefeld. pp. 226–227, 228. doi:10.3931/e-rara-238. (Agarum, Promontorium is noted in the list of the names on p. 228)
- Whitaker E. A. (2003). Mapping and Naming the Moon: A History of Lunar Cartography and Nomenclature. Cambridge University Press. pp. 201, 209. Bibcode:2003mnm..book.....W. ISBN 9780521544146.
- W. Smith, ed. (1854). "Agari". Dictionary of Greek and Roman Geography. Vol.I. Boston: Little, Brown, and Company. p. 72. (on Google Books, on archive.org)
- R. Talbert, ed. (2000). "Map 84. Maeotis (description; on Google Books)". Barrington Atlas of the Greek and Roman World. Princeton University Press.
- Tomaschek W. (1893–1980). "RE:Akra 2". Realencyclopädie der Classischen Altertumswissenschaft. Stuttgart: Metzler.
- Hazlitt W. (1851). "Agarum prom., Agarus fl.". The Classical Gazetteer: a Dictionary of Ancient Geography, Sacred and Profane. London: Whittaker and Co. p. 20.
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