This document provides a map and summary of major natural catastrophes that occurred around the world in 2011. The map highlights locations affected by various events including winter storms, flash floods, floods, wildfires, hurricanes, earthquakes, tsunamis, tropical storms, cyclones, landslides, and drought. There were a total of 820 natural catastrophe events recorded in 2011 by Munich Re's NatCatSERVICE, which tracks and analyzes natural disasters worldwide.