Hillat al-Ajnab (Arabic: حلة الأجناب, lit.

'the foreigners' quarter') was a quarter and a douar within the city walls in the erstwhile fortress-city of Riyadh, Saudi Arabia,[1][2][3] located in the northeastern corner of the walled town.

[4][5] It was situated east of Masmak Fortress, at the entrance of Bab al-Thumairi.

The ruins of the settlement today include most of Souq al-Suweigah in the ad-Dirah neighborhood and its name was derived from al-ājānib (Arabic: الأَجانِب), the Arabic word for outsiders as most of its residents where foreigners who were given accommodation as guests or advisors of King Abdulaziz ibn Saud,[6] such as John Philby and Muhammad Asad.

The settlement once hosted a garage that belonged to the future monarch of Saudi Arabia, Saud bin Abdulaziz and also hosted the residence of Princess Noura bint Abdul Rahman al-Saud, elder sister and adviser of King Abdulaziz ibn Saud and the eldest daughter of Abdul Rahman bin Faisal al-Saud, the last emir of the Second Saudi State.