From this season's tournament the deciding set of each match would be settled by a tiebreak at 6 games all rather than playing an advantage set until a player or a team were two games clear.

[1][2] Argentina won their first Davis Cup title, after 4 runner-up finishes, defeating Croatia in the final.

Federico Delbonis defeated Ivo Karlović in the final match to give Argentina its first Davis Cup title,[3] after a comeback from Juan Martín del Potro against Marin Čilić in the fourth match.

Date: 11–16 July Location: La Paz, Bolivia (clay) Confirmed teams: Inactive teams: Format: Round-robin basis.

Date: 11–16 July Location: Tehran, Iran (clay) Confirmed teams: Format: Round-robin basis.

Date: 13–16 July Location: Amman, Jordan (clay) Confirmed teams: Inactive teams: Format: Round-robin basis.

Date: 2–5 March Location: Tallinn, Estonia (indoor hard) Format: Round-robin basis.

The winners of each pool play-off against each other to determine which two nations are promoted to Europe/Africa Zone Group II in 2017.