Why settle for just one? I say, set up forges all over the world! (Or, at least, in every land where he has an alliance with that land's presiding deity)
Crav is all down to Earth, and perfectly content to work in the midst of the people, right? So, when you visit different lands, you can continue your work no matter where you go! Work in front of the people, or if you prefer privacy, use the forge to more quickly move into your plane (you have something of a plane for crafting, right?).
Not to mention, your worshipers can use the forge as a place to worship you. Whether you're there or not, the worshipers will maybe feel more invigorated to work, more inspired, or just honored to work in the same place you've worked.
I mean, I know I'd be okay with allowing a forge in Uburra-Namall's land, so long as it was aesthetically pleasing.
“…Judge not what a man has done, but judge what he could have done if he was a different bloke altogether. For art thou a leper? And a leper can changeth his spots…” --Rudy Wade, Misfits (Series 4, Episode 8)