Alchemy in Golarion?

[Palanan]

Is there any particular nation, region or city in Golarion that’s known for its alchemy?

Any place with guilds or colleges of alchemical science? And is there an area with an alchemical tradition more advanced than anywhere else?

[Psyren]

Thuvia is by far the big one. They're the folks behind the Sun Orchid Elixir (immortality juice essentially).

Beyond that, most of the big magical centers like Nex, Geb, Osirion, Jalmeray etc tend to be alchemy centers too.

Rahadoum is a good one for alchemy since divine healing is banned there.

[Another Handle]

The wiki has some useful information. (https://pathfinderwiki.com/wiki/Alchemy)