According to this it will be where the Gas Tower was, which was close to the Truth Stage. https://www.glastofestfeed.com/news/line-up/shangri-la-line-up-glastonbury-2023/
Here are the bar prices. £6.50 for 3.8% Carlsberg really is taking the piss. The cider is awful as well. What’s the chances of sneaking any in? Any weak points on the fence to whizz a crate over?