The Billie Jean King Cup is the premier international team competition in women's tennis, launched as the Federation Cup in 1963 to celebrate the 50th anniversary of the International Tennis Federation (ITF). The name was changed to the Fed Cup in 1995, and changed again in September 2020 in honor of former World No. 1 Billie Jean King. The Billie Jean King Cup is the world's largest annual women's international team sports competition in terms of the number of nations that compete. The current Chairperson is Katrina Adams.
The China women's national tennis team represents China in Fed Cup tennis competition and is governed by the Chinese Tennis Association.
The Spain women's national tennis team represents Spain in Fed Cup tennis competition and are governed by the Real Federación Española de Tenis. They currently compete in World Group II. The team Captain, as of 2018, is former professional player Anabel Medina Garrigues.
The Austria Billie Jean King Cup team represents Austria in Fed Cup tennis competition and are governed by the Osterreichischer Tennisverband. They currently compete in the Europe/Africa Group I.
The Croatia women's national tennis team represents Croatia in Fed Cup tennis competition and are governed by the Croatian Tennis Association. They currently compete in the Europe/Africa Zone Group I.
The Germany women's national tennis team represents Germany in Billie Jean King Cup tennis competition and are governed by Deutscher Tennis Bund.
The India Fed Cup team represents India in the WTA & ITF Fed Cup professional tennis competition and are governed by the All India Tennis Association. They will compete in the Asia/Oceania Zone of Group I in 2016.
The Belarus women's national tennis team represented Belarus in Billie Jean King Cup tennis competition and are governed by the Belarus Tennis Association. They compete in the World Group. After the 2022 Russia invasion of Ukraine, the International Tennis Federation suspended Russia and Belarus from Billie Jean King Cup competitions.
The Sweden Fed Cup team represents Sweden in Fed Cup tennis competition and are governed by the Swedish Tennis Association.
The Switzerland women's national tennis team represents Switzerland in Fed Cup tennis competition and are governed by Swiss Tennis. They currently compete in World Group II.
The Bosnia and Herzegovina Billie Jean King Cup team represents Bosnia and Herzegovina in Billie Jean King Cup tennis competition and are governed by the Tennis Association of Bosnia and Herzegovina. They currently compete in the Europe/Africa Zone of Group I.
The Indonesia Billie Jean King Cup team represents Indonesia in Billie Jean King Cup tennis competition and are governed by the Indonesian Tennis Association. They have not competed in the World Groups since 2006.
The Zimbabwe Fed Cup team represents Zimbabwe in Fed Cup tennis competition and are governed by Tennis Zimbabwe. They have not competed since 2008.
The Kosovo Fed Cup team represents Kosovo in Fed Cup tennis competition and are governed by the Tennis Federation of Kosovo. They took part in the Fed Cup for the first time in 2016, competing in the Europe/Africa Zone Group III.
The 2020–21 Billie Jean King Cup is the 58th edition of the international women's tennis team's tournament and the first to be styled as the Billie Jean King Cup.
The Asia/Oceania Zone is one of three zones of regional competition in the 2020–21 Billie Jean King Cup.
The Europe/Africa Zone is one of three zones of regional competition in the 2020–21 Billie Jean King Cup.
The Nigeria Billie Jean King Cup team represents Nigeria in Billie Jean King Cup tennis competition and are governed by the Nigeria Tennis Federation. They currently compete in the Europe/Africa Zone of Group III.
The Ghana Billie Jean King Cup team represents Ghana in Billie Jean King Cup tennis competition and are governed by the Ghana Tennis Federation. They currently compete in the Europe/Africa Zone of Group III.
The Rwanda Billie Jean King Cup team represents Rwanda in Billie Jean King Cup tennis competition and are governed by the Rwanda Tennis Federation. They currently compete in the Europe/Africa Zone of Group III.
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