This page of the guide to Immortals Fenyx Rising contains a map with the locations of every Ambrosia located in The Forgelands region.
You can find Ambrosia in 20 places in this region. The resource will be quite easy to obtain in most cases; you will often find the Ambrosia high in the mountains, or right in the open. Some are also found on remote, small islands.
1 - The colonnade
Ambrosia is located on top of one of the two columns which stand side by side. Climb on one of them and pick up the Ambrosia.
2 - The Statue of Hephaistos
In the southern part of the region, there is a hill with the statue of Hephaistos turned into an Automaton. Ambrosia is literally just next to his hands.
3 - The guarded column
In the west of the region, there is a column on a hill, which is patrolled by enemies. Use the Phosphor's Cloak skill to become invisible, then climb the pillar and pick up the Ambrosia.
4 - The tower
Ambrosia is located on the top of one of the towers, which can be found on the leftmost side of the region.
5 - The scorpion tail
Go to the marked location, and you will find a sculpture of a scorpion there. Ambrosia is on its tail.
6 - The chimney in the Forge
Remember the quest commisioned by Hephaistos which involved lighting the forge furnaces? There is a chimney near one of the furnaces, and Ambrosia is on top of it.
7 - The wall by the Forge
There is a wall near the forge, and near the wall there are several rocky hills. Ambrosia is on one of them.
8 - The tower by the bridge
There is a tower connected to a small bridge near the forge. Go to the marked spot and climb to the very top of the tower to get the Ambrosia.
9 - Garrison
Ambrosia is at the top of one of the garrisons. After completing one of the quests from Hephaistos, a gust of air will be there, making it easier to get to the top.
10 - The statue of a soldier
There is a sculpture of a soldier on a small island located in the north-eastern part of the region. Ambrosia is on its helmet.
11 - The platform puzzle
Go to the marked place - it will be a tall hill. A platform is located a little bit lower on the left side of the hill. Jump on it, then jump down and re-enter the platform, and then climb to the very top at the end. Another platform is there, stand on it too. The red barrier will disappear and the chest will become available for you.
12 - The throne
Go to the designated place on the map. You will see a huge throne there. To the left of the throne, there is a column, and on top of it, an Ambrosia.
13 - The highest peak of the region
There is a large mountain in the eastern part of the region. When you're on top of it, jump down until you see a protruding piece of land from above. This is where you will find Ambrosia.
14 - The water wheels
A water wheel is located at the designated spot on the map. Ambrosia is located at the top of the wheel.
15 - The submerged colonnade
In the eastern part of the region, near the ocean, there is a colonnade submerged in water. Ambrosia is located on the tallest column.
16 - The top of the destroyed bridge
Ambrosia is at the top of a destroyed bridge. Watch out for a few Harpies that may be patrolling the area.
17 - The summit of the Forge of the Gods
Ambrosia is at the very top of the Forge of the Gods. It is easy to obtain this ambrosia while doing the quest called A Breakthrough.
18 - The bridge
Near the bridge, next to one of the mountains, there is an unnatural piece of land which has grown into the mountain. Ambrosia can be found on it.
19 - The gust of wind near the village
Next to one of the villages, there is a platform with a gust of wind. Climb on it and fly up to get the Ambrosia.
20 - The tower in the garrison
Near the garrison there are several towers, on top of which you can see lit bowls. Ambrosia is located on one of them.