The World Group was the highest level of Davis Cup competition in 1999.

[1] The first-round losers went into the Davis Cup World Group qualifying round, and the winners progressed to the quarterfinals and were guaranteed a World Group spot for 2000.

Australia won the title, defeating France in the final, 3–2.

The final was held at the Acropolis Exhibition Hall in Nice, France, from 3 to 5 December.

[2] It was the Australian team's 27th Davis Cup title overall and their first since 1986.