Ceuta sits on the southern side of the Strait of Gibraltar — a 19-square-kilometre city that is simultaneously part of Spain, outside the EU customs territory, and an external border of the Schengen area. Morocco regards it as occupied Moroccan territory. Spain regards it as constitutionally integral. Neither position has moved in nearly seven decades. The dispute's roots predate both modern states. Ceuta — known as Sabta in Arabic, commonly written Sebta — passed through Idrisid, Umayyad, Taifa, Almoravid, Almohad, and Marinid rule before Portugal captured it on August 21, 1415, ending more than seven centuries of Muslim governance. When Portugal regained independence from Spain in 1640, Ceuta stayed under the Spanish crown. The 1668 Treaty of Lisbon formalized the arrangement. Spain has held it continuously since. Morocco's claim dates from its own independence in 1956. The argument is geographic and historical: Ceuta is on the North African coast, surrounded by Morocco on its landward side, and was governed by Muslim political systems for centuries before European seizure. Spain counters with centuries of continuous sovereignty and Ceuta's constitutional status as an autonomous city with its own self-government statute. History cannot settle the dispute because the political systems that ruled Ceuta before 1415 were not nation-states with today's borders. Both sides cherry-pick timelines that support their position. Morocco points backward to pre-1415 rule; Spain points forward from 1415 onward. The same historical record serves both arguments depending on where you start the clock. What makes Ceuta matter now is not the sovereignty debate itself but its function as a pressure point. On July 30, more than 72,000 migrants entered Ceuta from Morocco, according to Reuters. That kind of surge does not happen without Moroccan border policy either enabling or failing to prevent it. Migration flows through Ceuta have become a diplomatic instrument — a way for Rabat to signal displeasure or extract concessions from Madrid and Brussels without formal escalation. King Felipe VI's planned visit on October 13 — his first to Ceuta as king since ascending in 2014 — is a sovereignty assertion dressed as routine. Melilla, which Spain took in 1497 and which Morocco also claims, gets a visit the following day. The timing, after the July migration crisis, is not coincidental. Royal visits to disputed territories are diplomatic signals, and both Madrid and Rabat will read them as such. The deeper structural reality is that Ceuta's status will not be resolved by historical arguments. It will be determined by the ongoing balance of power between Spain and Morocco, mediated by migration pressure, EU border policy, trade relationships, and the broader geopolitics of North Africa. Ceuta is less a sovereignty question waiting for an answer than a permanent negotiating lever that both sides find more useful unresolved.