And the hotel, where suites run for more than $2,000 a night, has added some new touches to suit the 79-year-old king's tastes.

Eyewitnesses told Politico they've seen gilded furniture wheeled into the hotel this week, with red carpets being laid down in the hallway and even on the asphalt of the hotel's parking garage.

Georgetown's streets were lined with Cadillac SUV's belonging to King Salman's delegation, which includes Saudi diplomats as well as his own family and assistants.

The king is known for having quite the entourage. Just last month he brought 1,000 people for a vacation on the French Riviera, closing down an entire beach, according to Mail Online.

King Salman, who ascended to the throne in January following the death of his half-brother King Abdullah, met with Obama to discuss the Iran nuclear deal past Friday.