Hi! We're driving in a truck/camper from Melaque to Oaxaca. Haven't been there in ten or twelve years and I've heard there are many new roads and a few less campgrounds. If all goes well we could ...
They are correct. It's a perfectly OK place to park, secure, and close to the center of things. You can also catch the bus right on the corner to downtown, and there is a major market around the corner. In Oaxaca, you want to be as close to the center of things for the experience.