The tournament, which takes place from Aug. 22 to 25, will take place at Kinsmen Stadium, 89 Arena Street, in Oshawa.
Some games will also take place at Clarington Fields South West, and Ritson Field.
The 15U Legionaires, coached by Tony Quick, will represent Oshawa at the tournament.
With two games rained out, the Legionaires finished the season in second place with a record of 13-6-1.
Teams from across Canada will congregate in the city to compete with the country’s best.
Some teams making their way to Oshawa are from New Brunswick, British Columbia, and the prairies.
“I feel confident that all players, coaches and officials will return to their provinces with many good memories of Oshawa and a successful championship,” said Baseball Oshawa president Ken Babcock.
Oshawa’s first game will take place Thursday, Aug. 22, at 7 p.m. against Quebec at Kinsmen Stadium.
The round robin will finish on Saturday, Aug. 24, with the gold medal game taking place at 6:30 p.m. on Sunday, Aug. 25.