The Hangout will take place at 5pm on Monday, July 1st in front of a live audience of lucky competition winners.
Watched online by fans around the globe, AJ, Brian, Howie, Kevin and Nick will host their first Google+ Hangout during their visit to the UK.
Announcing the event on Twitter, they wrote: "We are excited to announce that our first Google+ Hangout will be live from London in just over a week. Add us on Google+ so u dont miss out & keep an eye out for upcoming competitions to win places to the event itself https://plus.google.com/+backstreetboys "
The Backstreet Boys this week announced the release of their brand new album In A World Like This on July 28th. Their new single, the album's title track written by Max Martin, will be available to download from June 25th.
Continuing their 20th anniversary celebrations, the boys will also perform at London's G-A-Y on Saturday, June 29th.
The Hangout is a new British online pop culture show that will broadcast exclusively on Google+ - now the worlds second largest social media network - featuring pop news, interviews and musical performances.
Listen to the new single In A World Like This