Aziraphale just gave Crowley a look when he waved off his encouragement, there was no need for it really. But he let it drop all the same, if Crowley didn't want it, he certainly wouldn't force it on him.
"It is, reminds me of Dinkelsbühl in the fifteenth century." He decided after they'd looked around a bit. But he decided that Crowley's estimation summed it up fairly well all the same, even with the glaring differences.
He frowned just a little at the realization that there had been mobiles left out. He never had cared for them, preferring an old rotary to anything quite so done up. "Are you quite certain? This does seem like their realm." He said mostly of the mobile than of the town itself. "It's too up to date to be heaven." Without the mobiles maybe, it wasn't quite the Sound of Music, but it was near enough.