The Gunners squad, including new club record signing Alexandre Lacazette, flew from Stansted Airport last night ahead of their two matches in Sydney later this week.
Set to turn 31 in September, Giroud has made 227 appearances for Arsenal, netting 98 goals in the process.
There is no place in the squad for defenders Kieran Gibbs, Mathieu Debuchy and Carl Jenkinson, or striker Lucas Perez, whose agent has has said he wants to leave the club.
Still, with the Europa League sure to fill up the fixture list, there will be lots of minutes to fight for at the Emirates, which both Giroud and Lacazette will hope to capture with the World Cup around the corner.
Wenger is desperate to add Lemar to his side his summer, particularly with uncertain futures surrounding Alexis Sanchez and Alex Oxlade-Chamberlain, but a deal could be costly.
Arsenal have announced their squad for the pre-season tour of Australia and China, and the 25-man group is missing some key names to suggest there will be exits.
"I hope that he will be able to take us further with his goals".
The French international striker joined the Gunners' other summer signing, Bosnia-Herzegovina international Saed Kolašinac, and fellow France forward Olivier Giroud, who has been linked with a move away this summer.