Venue: Club Deportivo la Asunción, Metepec, Mexico (outdoor hard)
Date: 6–11 February
The nine teams were divided into two pools of four and five teams. The two pool winners took part in a play-off to determine the nation advancing to the World Group II play-offs. The four nations finishing last and second last in their pools took part in relegation play-offs, with the two losing nations being relegated to Group II for 2018.
Seeding: The seeding was based on the Fed Cup Rankings of 14 November 2016 (shown in parentheses below).
Venue: Centro de Alto Rendimiento Fred Maduro, Panama City, Panama (outdoor clay)
Date: 19–22 July
The thirteen teams were divided into three pools of three teams and one pool of four teams. The four pool winners took part in a play-off to determine the two nations advancing to Group I in 2018.
Seeding: The seeding was based on the Fed Cup Rankings of 24 April 2017 (shown in parentheses below).