1 Kings 11:7

7 On a hill east of Jerusalem, Solomon built a high place for Chemosh the detestable god of Moab, and for Molek the detestable god of the Ammonites.

Read 1 Kings 11:7 Using Other Translations

Then did Solomon build an high place for Chemosh, the abomination of Moab, in the hill that is before Jerusalem, and for Molech, the abomination of the children of Ammon.
Then Solomon built a high place for Chemosh the abomination of Moab, and for Molech the abomination of the Ammonites, on the mountain east of Jerusalem.
On the Mount of Olives, east of Jerusalem, he even built a pagan shrine for Chemosh, the detestable god of Moab, and another for Molech, the detestable god of the Ammonites.