Merchant Square will be hosting fan-zone events for supporters who have travelled to Scotland's largest city for the showpiece match.
The Scottish champions are looking to record back-to-back victories against their opponents, after winning 2-1 at home last year.
As many as 5000 travelling fans are anticipated across the three home games in Glasgow, with Ajax visiting on October 22 and AC Milan on November 26.
Tourism chiefs estimate it will inject around £730,000 into the local economy, providing a welcome boost to the city's hotels, restaurants, shops and bars.
There will be a a programme of music and entertainment between noon and 6pm tomorrow before the game is shown on the giant screen in Merchant Square.
Councillor Gordon Matheson, Leader of Glasgow City Council said: "Glasgow is renowned for its warm welcome, particularly for visiting football fans, and there's always a colourful party atmosphere on match day when the Champions League comes to town.We want visiting fans to enjoy themselves and to make the most of their time here."
Jennifer Morrison, Operations Manager for Merchant Square, said: "We're delighted to welcome fans for an afternoon of great Scottish entertainment. We're anticipating a real buzz in the Square and it will be the perfect location for visiting fans who want to experience a lively build-up to kick-off."