[3] Fri was built in 1840 from inhabitants of Aghia Marina and refugees of the Kasos Massacre.

The municipality of Kasos is located in Fri as well as a local clinic and the archeological museum.

Today, Fri has a small sports center and a public library.

[6] From 2010 the meteorological station of the National Observatory of Athens is located in the Municipality of Kasos in Fri.[7] The port of Fri is connected with Piraeus, Crete, Karpathos and Rhodes.

[9] Fri has a dry and mild climate throughout the year, with the most rain falling during autumn and winter.