Martial Arts & Self-Defense Instruction Near Me in North Grenville, Ontario Martial Arts & Self-Defense Instruction Near Me in North Grenville, Ontario Home / Ontario / North Grenville / Martial Arts & Self-Defense Instruction Martial Arts & Self-Defense Instruction Douvris Martial Arts & Fitness Centers 200 Sanders St, North Grenville, ON, North Grenville, Ontario 613-724-6046 Categories of companies in North Grenville Martial Arts & Self-Defense Instruction