Nāṣir al-Dīn Sökmen II (died 1185) was the '' Shāh-i Arman'', the ruler of the Turkoman principality centred on
Ahlat
Ahlat (; ) is a town in Turkey's Bitlis Province in Eastern Anatolia Region. It is the seat of Ahlat District.′Izz al-Dīn Saltuq II, ruler of the
Saltukids
The Saltukids or Saltuqids ( Modern Turkish: ''Saltuklu Beyliği'') were a dynasty ruling one of the Anatolian beyliks of the Seljuk Empire, founded after the Battle of Manzikert (1071) and centered on Erzurum. The Saltukids ruled between 1071 ...
of
Erzurum
Erzurum (; ) is a List of cities in Turkey, city in eastern Anatolia, Turkey. It is the largest city and capital of Erzurum Province and is 1,900 meters (6,233 feet) above sea level. Erzurum had a population of 367,250 in 2010. It is the site of an ...
. He and his wife both engaged in major building projects that brought the Shāh-i Armanid state to its zenith.
In 1164, Shāhbānū rebuilt the ruined citadel of Ahlat and the roads leading into the city, replaced the old wooden bridges with new stone ones and constructed large new inns inside the city. She employed an engineer named Qaraqush, who completed the massive construction project in only a few months. None of these works have been survived, all being destroyed after the siege of Ahlat in 1229–30, when the '' Khwarazmshah'' Jalāl al-Dīn captured the city.
Sökmen founded a city, Sukmānābād, named after himself. It lay west of
Khoy
Khoy (, ) is a city in the Central District (Khoy County), Central District of Khoy County, West Azerbaijan province, West Azerbaijan province, Iran, serving as capital of both the county and the district. Occupied since Medes, Median times, ...
on the caravan route between Ahlat and
Tabriz
Tabriz (; ) is a city in the Central District (Tabriz County), Central District of Tabriz County, in the East Azerbaijan province, East Azerbaijan province of northwestern Iran. It serves as capital of the province, the county, and the distric ...
. Its ruins have not been found. Sökmen died without heirs, condemning his principality to a period of instability that lasted until 1207.