1977 Davis Cup Americas Zone

The Americas Zone was one of three zones of competition in the 1977 Davis Cup. Entries from North and Central America were placed in one half of the draw, along with South Africa, while entries from South America were placed in the other.

22-24 October 1976 (Montevideo)
29-31 October 1976 (Ottawa)
30 October - 1 November (La Paz)

12-14 November (Caracas and Buenos Aires)
13-15 November (São Paulo)

15-17 April 1977 (Newport Beach)

...
Wikipedia