The port city of Sinope, situated along the northern coastline of Anatolia, was once a thriving stronghold known for its rich maritime history and trade. In the early 13th century, the Seljuq Turks, a powerful faction emerging in the Islamic world, sought to expand their influence and territories throughout Anatolia. In their campaign, they turned their sights on Sinope due to its strategic significance and its role as a gateway to the Black Sea. The city's defenses, while formidable, were unable to withstand the organized assault of the Seljuq forces. The Turks, employing both siege tactics and naval power, forced the city's capitulation after a determined resistance from its defenders. This surrender marked a crucial point in the expansion of Seljuq control in the region, further establishing their presence and influence.Following the fall of Sinope, the Seljuqs solidified their hold on the surrounding territories, which not only included significant trade routes but also key positions that could be used for military operations against rival factions. The conquest of the city had repercussions for both local and regional politics, as it upset the balance of power in Anatolia and contributed to the broader narrative of Seljuq ascendancy in the years that followed. This event not only reshaped local governance but also impacted trade dynamics, as routes now fell under Seljuq control, facilitating their objectives in connecting various parts of the Islamic world.