They do it every 4 years.
both are/were held every 4 years, or as the ancient Greeks called it, every olympiad
every year
Every four years at the Temple of Zeus at Olympia in Elis.
the Olympics were originally held every four years when the Greeks created it , ( just as it is now )
Every twelve years
Only at Olympia.
it was held in ancient Greece in Olympus
every 4 years just like now.
the first ancient Olympics where head in grease
1873
Answer: Greece
none