The Franco-Moroccan Treaty of 1631 was a treaty signed between France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

 and Morocco

Morocco

Morocco , officially the Kingdom of Morocco , is a country located in North Africa. It has a population of more than 32 million and an area of 710,850 km², and also primarily administers the disputed region of the Western Sahara...

 in 1631.

The negotiations were handled by Admiral Isaac de Razilly

Isaac de Razilly

Isaac de Razilly was a member of the French nobility appointed a knight of the Order of St. John of Jerusalem at the age of 18. He was born at the Château d'Oiseaumelle in the Province of Touraine, France. A member of the French navy, he served for many years during which he played an important...

, after numerous discussions and encounters due to the problem of pirates from the harbour of Salé

Salé

Salé is a city in north-western Morocco, on the right bank of the Bou Regreg river, opposite the national capital Rabat, for which it serves as a commuter town...

. After being able to enter into negotiations with Salé in 1630, Razilly purchased a quantity of French slaves from the Moroccans.

Razilly visited Morocco again in 1631, and participated to the negotiation for a Franco-Moroccan Treaty.

The Treaty give France preferential treatment, known as Capitulations

Capitulation (treaty)

A capitulation , or ahidnâme, is a treaty or unilateral contract by which a sovereign state relinquishes jurisdiction within its borders over the subjects of a foreign state...

: preferential tariffs, the establishment of a Consulate and freedom of religion for French subjects.

The Treaty was ratified by Louis XIII in 1632.