Brazil and Argentina have been included on the 2014 MotoGP calendar, the sport's governing body FIM announced.
The Nelson Piquet track in Brasilia will stage the championship's 15th round Sep 28 while the Termas de Rio Honda circuit in northern Argentina will host the year's third race April 27.
It is the first time since 2004 that Brazil has been included on the calendar of motorcycling's premier competition.
Argentina has not staged a motorcycle Grand Prix since 1999.
California's Laguna Seca circuit has been dropped from the 2014 circuit but the US remains represented by Indianapolis and Austin.
The 2014 MotoGP calendar, announced Wednesday:
23 March Losail, Qatar
13 April Austin, USA
27 April Rio Hondo, Argentina
04 May Jerez, Spain
18 May Le Mans, France
01 June Mugello, Italy
15 June Barcelona, Catalunya
28 June Assen, Netherlands
13 July Sachsenring, Germany
10 August Indianapolis, USA
17 August Brno, Czech Republic
31 August Silverstone, Britain
14 September Misano, San Marino
21 September Aragon, Spain
28 September Brasilia, Brazil
12 October Sepang, Malaysia
19 October Motegi, Japan
26 October Phillip Island, Australia
09 November Valencia, Spain
