A very small town in the Colombian province of Valle de Cauca that no one knows about, but more known than the smaller Ansermaviejo. Not to be confused with Cartago of Costa Rica.
It's also the name of a region in Costa Rica that looks like Colombia a little if you squint your eyes.
Colombian 1: I was born in Cartago
Colombian 2: Cartago? what is that?
Colombiano 1: Si, yo nací en cartago
Colombiano 2: cartago? con que se come eso?