Brazil was chosen by the FIFA Congress to stage the tournament, beating a joint bid from Belgium, the Netherlands and Germany to become the first South American nation to host the event.
"I was very happy with the news and I'm sure that the 2027 Women's World Cup will be a success, and the Brazilian people, as always, will be with open arms to welcome the world soccer community," Marta said in a video on social media.
The midfielder, a six-time Women's World Player of the Year, is retiring from international football this year.
"If it were possible, I would like the Brazilian national team's first match to be in Rio Grande Sul. The state of Rio Grande do Sul deserve it," Marta added.
The Brazilian Football Confederation (CBF) suspended two rounds of the Brazilian Championship due to the floods that have killed more than 150 people, according to state government figures.
