Hegra (Mada'in Salih) is a Nabataean archaeological site in Al-Ula, Medina Province, Saudi Arabia, and the kingdom's largest settlement south of Petra. It features 111 monumental rock-cut tombs carved into sandstone, 94 with decorated facades, dating primarily from the 1st century BCE to 74 CE. The largest facade, Qasr al-Bint, stands 16 m high. A key crossroads on the incense trade route, Hegra became Saudi Arabia's first UNESCO World Heritage Site in 2008.
Madain Saleh

| Type | City/town/settlement |
|---|---|
| Period | 1 - 500 AD |
| Country | Saudi Arabia |
| Coordinates | 26.8072° N, 37.9571° E |
Saudi Arabia