OK I'll play:
Plaistow (My house)
London (Model Engineer Exhibition - various venues, Salute - various venues)
East Ham (Mates house every Saturday)
Manor Park (Basement of Wall Models, later New Model Army)
Ilford (Rampage)
Harlow (Wargames club)
Loughton (Broadsword?)
Colchester (Mate's house)
Muenster (Wargames club)
Bielefeld (Wargames club)
Detmold (Wargames club)
Herford (Wargames club)
Dulmen (Wargames club)
Nienburg (Action)
Celle (Action)
CFB Suffield (Gaming club)
Medicine Hat (Gaming club - Star Fleet Battles was all the rage)
Edmonton (Motel - Xmas 1988 - copious games of Wooden ships & Iron Men)
RAF Gatow (Wargames Club - Berlin)
Gutersloh (Action)
Fallingbostel (Wargames Club)
Hohne (Wargames Club)
Mulheim (Mate's house)
Waterbeach (Wargames Club)
Milton (Gaming Club)
Osnabruck (Wargames Club)
Paderborn (Wargames Club)
Rheindahlen (Action - various years)
Pristina (Wargames Club)
Crystal Palace (SELWG)
Stratford (Mate's house x 2 plus Hotlead - Canada's finest gaming convention)
Strathroy (Mate's house)
Calgary (Uncle Mike's house)
Hamilton (Broadsword)
Lancaster (Fall In, Cold Wars & Historicon)
Gettysburg (Fall In)
Plus some I've probably forgotten. So that's 36 places in 5 countries.
How the years have flown