Head to the Dawn Winery teleport waypoint, head west/southwest and activate the Treasure-Seeking Seelie, you will get a yellow circular objective marker, this means that all the treasures will be contained within here. These treasures will contain either 4, 8 or 20 Iron Coins, once you’ve achieved 60 Iron Coins, the area will be complete.
This guide for Genshin Imapct includes the following:
Coming soon! An interactive Map of Teyvat showing the location of all; Anemoculus, Geoculus, Statues of the 7, World Quests, Shrines, Plants, Monsters, Enemies, Chests and Minerals.
Detailed Character pages of all playable characters showing talent trees, skill buils etc.
Weapons - Showing the current best and highest rated weapons in the game.
All Archon Quests that tell the main story of the Traveler and Paimon as they travel the world of Teyvat in search of the Traveler’s missing twin sibling.
All World Quests that are unlocked by speaking to NPCs through Teyvat. They give insight into the various locations and stories of the world.
All Story Quests consisting of chapters related to the background and personalities of each playable character.
All Commissions - simple daily quests players can complete for rewards, but some have a unique story tied to them.