Arhavi (Laz: არქაბი/Arkabi; Georgian: არქაბი/arkabi), is a town and district of Artvin Province located in the Black Sea region of Turkey. The terrain is hilly and mountainous. Area of the city center is about 6 km², and the total district area is 314 km². The length of the coast is about 10 km. In 2011 with 19.362 district population the 5th biggest district population of Artvin province. With 15.622 city population, in Turkey 308th and in Artvin province after Artvin and Hopa the 3rd biggest population.