Khaybar, Tayma, Dadan, Qurh, and AlUla Old Town are sites situated in the AlUla region of Saudi Arabia, an area on the ancient incense trade routes. Khaybar and Tayma are both multiperiod oasis sites, whilst Dadan was once the capital of the Dadan and Lihyan kingdoms more than 2000 years ago. Qurh was an early Islamic city, and AlUla Old Town dates from the 12th century to the 20th century CE.
This is a companion discussion topic for the original content at https://www.worldhistory.org/article/2850/dadan-tayma-khaybar-qurh--old-town-alula/.