Menelaion, Ancient Greek sanctuary and archaeological site in Therapne, Greece.

The Menelaion is a ruined sanctuary on a ridge about 5 km from Sparta, in Laconia, Greece. Its low walls of stacked grey and tan limestone blocks form stepped foundation lines around a central mound on a dry-grass rise. No columns or roof remain; the blocks are irregular and partly collapsed.

The sanctuary was founded during the early Greek period and was rebuilt and extended several times over the following centuries. Excavations showed that the hill had already been used long before the Greek sanctuary was put in place.

The shrine was dedicated to Menelaus and Helen, worshipped as divine ancestors by the Spartans from the 8th century BC. A bronze aryballos found here bears the incised dedication "Deinis offered this as a gift to Helen, wife of Menelaus"; a blue limestone stele records Euthykrenes' dedication to Menelaus.

The hill is located near Sparta and can be reached on foot without any special equipment. The site is open and easy to move around, so visitors can walk freely among the stone foundations at their own pace.

The hill was settled in the Middle Helladic period, around 2000–1600 BC, long before the Mycenaean mansion was built. A Late Mycenaean building on the eastern peak had walls of raw brick coated with painted plaster, found by the British School at Athens in 1909.