Disclosed herein is an event notification system (10). The system (10) comprises a receiver (14) arranged to receive event information comprising geographical region information indicative of a geographical region for each of a plurality of events and time interval information indicative of a time interval for each of the plurality of events, the receiver (14) also being arranged to receive location information indicative of a location of a wireless communication device (12) at a time. The system comprises a notifier (16) arranged to use the event information and the location information when so received to determine a set comprising each of the plurality of events for which the geographical region encompasses the location of the mobile wireless communication device (12) and the time interval encompasses the time, and arranged to send event notification information indicative of at least one event in the set to the mobile communications device (12) for the mobile communications device (12) to notify a user of the at least one event in the set.