What is it?
When is it?
Sunday April 23.
Where is it?
At the home of English football Wembley Stadium.
What time is kick-off?
What TV channel is it on?
BT Sport 1, with coverage starting at 2:30pm.
What is the team news?
Shkodran Mustafi, David Ospina and Lucas Perez are all unavailable through injury, while Danny Welbeck is doubtful. Santi Cazorla and Jeff Reine-Adelaide are out for the rest of the season.
Wenger has hinted that he may stick with the 3-4-2-1 formation that he employed in Monday's 2-1 win at Middlesbrough.
Possible XI (3-4-2-1): Cech; Gabriel, Koscielny, Holding; Oxlade-Chamberlain, Xhaka, Ramsey, Monreal; Ozil, Sanchez; Giroud
Gabriel Jesus could make his much-anticipated return from a metatarsal injury, while John Stones and Bacary Sagna are doubtful. Ilkay Gundogan is out for the season.
Possible XI (4-1-4-1): Bravo; Navas, Kompany, Stones, Clichy; Fernandinho; Sane, Silva, De Bruyne, Sterling; Aguero
What are they saying?
Arsenal manager Arsene Wenger on his side's chances of beating City.
“I expect to go to the final. I’ve played 11 semi-finals in the FA Cup so that means it’s a great experience and it’s always special. I remember my first one at Villa Park against Wolves.
“It means a lot to our supporters, it’s a special experience.
“We are focused and highly motivated. Maybe not at maximum confidence but it is a good chance to show we want to to go the final.
“It is our only chance of a trophy this season.”
What are the odds?
Man City win (after 90 mins) - 10/11
Man City to go through - 4/7
Draw (after 90 mins) - 3/1
Arsenal win (after 90 mins) - 3/1
Arsenal to go through - 6/4
What's our prediction?
City to win 3-1.