In the new Genshin Impact 7.2 update, there are two new explorable areas that you'll be able to find: Novokitezhgrad and Wingspan Peak. This changes the way players explore the game in this latest patch. We'll be providing a guide to tracking down hidden collectibles in this version of the game as it provides tangible rewards for players who are willing to explore the new areas. We'll be giving you this location guide to the 19 undetectable chests that you'll find in the new areas so you won't have to waste time trying to hunt them down.

Guide to finding 19 undetectable chests in new Genshin Impact areas
Genshin Impact 7.2 update adds new explorable areas in the game that you'll have to explore with care to find all the hidden collectibles. Specifically, the new explorable areas that you can expect to find are Novokitezhgrad and Wingspan Peak. You'll need to explore both of these areas in order to find all the new hidden chests in this version of the game.
There are exactly 19 undetectable chests that you'll need to hunt down in the new areas. These undetectable chests aren't accessible on the regular map, so you'll need this location guide to help you find the precise coordinates for them. This will help you easily gather all the hidden chests with this easy and efficient location guide that breaks down the locations by area.
This content provides a practical location guide for players looking to hunt down some hidden collectibles in the new patch. We noticed a similar trend with balance and stability when we went over the last Genshin Impact update. This patch in the game is more focused on providing more depth to exploration instead of major gameplay changes.
The 7.2 patch reveals the introduction of two new explorable areas and a particular batch of hidden chests that you can expect to find in the game. With this guide, players will now be able to find all 19 undetectable chests in the areas of Novokitezhgrad and Wingspan Peak. There are clear goals for players who are more focused on exploration in this update.
Source: Insider Gaming




19 undetectable chests is just more busywork. I skip these every patch.
Are Novokitezhgrad and Wingspan Peak locked behind the main story or can I explore them now?
They open with the main quest. You need the key item to enter the peak.
Thanks for the info, I will stick to the main route then.