IRINGA, July 1 -- DID you know that Iringa is one of the regions in Tanzania where the weather is cool, the land is fertile, the people are warm, and the only thing missing is you (and maybe a few factories)? Yes, while others are chasing coastal congestion and city chaos, a golden opportunity is sitting politely in the southern highlands, sipping fresh milk and wondering why investors havent yet knocked on its door with briefcases full of potential.

Welcome to Iringa—the best-kept investment secret thats tired of being humble.

Now lets be clear: Iringa is not just about cold nights, warm sweaters, and roasted maize by the roadside (though we highly recommend trying those too).

It is a sleeping economic giant—one thats well...