Mounsef (Arabic: المنصف, also spelled al-Mounsif) is a municipality in the Byblos District of Keserwan-Jbeil Governorate, Lebanon.

It located off the Mediterranean coast and is 47 kilometers north of Beirut.

Mounsef has an average elevation of 220 meters above sea level and a total land area of 341 hectares.

[1] Its inhabitants are predominantly Greek Orthodox Christians.

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