Capitolium Vetus - Credit: Wikimedia Commons
The Capitolium Vetus (Latin for "old Capitol" or "ancient Capitol") was an archaic temple in ancient Rome, dedicated to the Capitoline Triad. distinguishes it from the main temple to the Triad on the Capitol and shows that it was the older of the two and possibly the oldest temple in Rome dedicated to them.Varro, Latin Language, V, 158 It was on a site in what is now the Trevi district, to the north of the Quirinal and to the north-west of the Ministry of Defence.Martial, Epigrams, V, 22 and VII, 73 Its dedicatory inscriptions were found near the ministry.CIL I2 726-9 = VI 30925-9 Read more on Wikipedia
Source: en.wikipedia.org