With Halloween around the corner, Tokyo administrators are exploring ways to curtail the rise in public drinking, noise and other nuisances in popular neighborhoods that evening.

KOBE—Sorry kids. There will be no more Halloween trick-or-treating at the offices of Japan’s largest yakuza organization if Hyogo prefectural police get their way.

Doll Village Nagoro may count more effigies than inhabitants, but its stitched smiles remind every traveler that a ...